fan3
contrary; in reverse; inside out or upside down; to reverse; to return; to oppose; opposite; against; anti-; to rebel; to use analogy; instead; abbr. for 反切 phonetic system

strokes 4
radical
strokes after radical 2
报本反始 報本反始 bao4 ben3 fan3 shi3
ensure that you pay debts of gratitude (idiom)

变态反应 變態反應 bian4 tai4 fan3 ying4
allergic response; allergy

拨乱反正 撥亂反正 bo1 luan4 fan3 zheng4
bring order out of chaos; set to rights things which have been thrown into disorder

策反 策反 ce4 fan3
to instigate (rebellion etc); incitement (e.g. to desertion within opposing camp)

唱反调 唱反調 chang4 fan3 diao4
to express a different view; to take a different position

超敏反应 超敏反應 chao1 min3 fan3 ying4
hypersensitivity

成反比 成反比 cheng2 fan3 bi3
to vary inversely; inversely proportional to

出尔反尔 出爾反爾 chu1 er3 fan3 er3
old: to reap the consequences of one's words (idiom, from Mencius); modern: to go back on one's word; to blow hot and cold; to contradict oneself; inconsistent

穿反 穿反 chuan1 fan3
to wear inside out (clothes)

聪明反被聪明误 聰明反被聰明誤 cong1 ming2 fan3 bei4 cong1 ming2 wu4
a clever person may become the victim of his own ingenuity (idiom); cleverness may overreach itself; too smart for one's own good

单反机 單反機 dan1 fan3 ji1
see 單反相機|单反相机

单反相机 單反相機 dan1 fan3 xiang4 ji1
single-lens reflex camera (SLR)

单镜反光相机 單鏡反光相機 dan1 jing4 fan3 guang1 xiang4 ji1
single-lens reflex camera (SLR)

倒反 倒反 dao4 fan3
instead; on the contrary; contrary (to expectations)

动力反应堆 動力反應堆 dong4 li4 fan3 ying4 dui1
power reactor

反白 反白 fan3 bai2
reverse type (white on black); reversed-out (graphics); highlighting (of selected text on a computer screen)

反败为胜 反敗為勝 fan3 bai4 wei2 sheng4
to turn defeat into victory (idiom); to turn the tide

反比 反比 fan3 bi3
inversely proportional; inverse ratio

反驳 反駁 fan3 bo2
to retort; to refute

反哺 反哺 fan3 bu3
to support one's parents in their old age; to show filial piety; to to repay; to return a favor

反侧 反側 fan3 ce4
to toss and turn

反差 反差 fan3 cha1
contrast; discrepancy

反铲 反鏟 fan3 chan3
backhoe

反常 反常 fan3 chang2
unusual; abnormal

反超 反超 fan3 chao1
to reverse (the score); to pull off a comeback; to take the lead

反赤道流 反赤道流 fan3 chi4 dao4 liu2
equatorial counter current

反冲 反衝 fan3 chong1
recoil (of a gun); to bounce back; backlash

反冲力 反衝力 fan3 chong1 li4
backlash; recoil; reactive force

反刍 反芻 fan3 chu2
to ruminate; to chew the cud

反刍动物 反芻動物 fan3 chu2 dong4 wu4
ruminant

反传算法 反傳算法 fan3 chuan2 suan4 fa3
back propagation algorithm

反串 反串 fan3 chuan4
(Chinese opera) to play a role outside of one's specialty; (modern) to play a transvestite role; to masquerade as an opponent

反唇相讥 反唇相譏 fan3 chun2 xiang1 ji1
mutual bickering and ridicule (idiom); sarcastic repartee

反弹导弹 反彈導彈 fan3 dan4 dao3 dan4
antimissile missile

反党 反黨 fan3 dang3
anti-party

反导 反導 fan3 dao3
anti-missile

反导弹 反導彈 fan3 dao3 dan4
anti-missile

反导导弹 反導導彈 fan3 dao3 dao3 dan4
anti-missile missile (such as the Patriot Missile)

反导系统 反導系統 fan3 dao3 xi4 tong3
anti-missile system; missile defense system

反倒 反倒 fan3 dao4
but on the contrary; but expectedly

反帝 反帝 fan3 di4
anti-imperialist; anti-imperialists

反坫 反坫 fan3 dian4
earthern goblet stand also known as 垿 (old)

反电子 反電子 fan3 dian4 zi3
positron; also called 正電子|正电子

反动 反動 fan3 dong4
reaction; reactionary

反动分子 反動份子 fan3 dong4 fen4 zi3
reactionaries; reactionary elements

反动派 反動派 fan3 dong4 pai4
reactionaries

反动势力 反動勢力 fan3 dong4 shi4 li5
reactionary forces (esp. in Marxist rhetoric)

反杜林论 反杜林論 fan3 du4 lin2 lun4
Anti-Dühring, book by Friedrich Engels 恩格斯

反对 反對 fan3 dui4
to fight against; to oppose; to be opposed to; opposition

反对党 反對黨 fan3 dui4 dang3
opposition (political) party

反对派 反對派 fan3 dui4 pai4
opposition faction

反对票 反對票 fan3 dui4 piao4
a vote against; a veto

反而 反而 fan3 er2
instead; on the contrary; contrary (to expectations)

反反复复 反反復復 fan3 fan3 fu4 fu4
repeatedly; time and time again

反分裂法 反分裂法 fan3 fen1 lie4 fa3
anti-secession law of 2005 (whereby PRC claims the right to invade Taiwan)

反讽 反諷 fan3 feng3
irony; sarcasm; to satirize with opposites

反腐 反腐 fan3 fu3
anti-corruption

反腐败 反腐敗 fan3 fu3 bai4
to oppose corruption; anti-graft (measures, policy etc)

反腐倡廉 反腐倡廉 fan3 fu3 chang4 lian2
to fight corruption and advocate probity

反复 反覆 fan3 fu4
repeatedly; over and over; to upend; unstable; to come and go; (of an illness) to return

反复 反復 fan3 fu4
variant of 反覆|反复

反复无常 反覆無常 fan3 fu4 wu2 chang2
unstable; erratic; changeable; fickle

反感 反感 fan3 gan3
to be disgusted with; to dislike; bad reaction; antipathy

反高潮 反高潮 fan3 gao1 chao2
anticlimax

反革命 反革命 fan3 ge2 ming4
counterrevolutionary

反革命宣传煽动罪 反革命宣傳煽動罪 fan3 ge2 ming4 xuan1 chuan2 shan1 dong4 zui4
the crime of instigating counterrevolutionary propaganda

反攻 反攻 fan3 gong1
to counterattack; a counteroffensive

反躬自问 反躬自問 fan3 gong1 zi4 wen4
introspection; to ask oneself

反共 反共 fan3 gong4
anti-communist

反顾 反顧 fan3 gu4
to glance back; fig. to regret; to have second thoughts about sth

反观 反觀 fan3 guan1
by contrast; but as for this...; viewed from another angle; subjectively; introspection

反光 反光 fan3 guang1
to reflect light

反光镜 反光鏡 fan3 guang1 jing4
reflector; reflecting mirror

反光面 反光面 fan3 guang1 mian4
reflecting surface

反过来说 反過來說 fan3 guo4 lai2 shuo1
on the other hand

反过来 反過來 fan3 guo5 lai2
conversely; in reverse order; in an opposite direction

反函数 反函數 fan3 han2 shu4
inverse function (math.)

反核 反核 fan3 he2
anti-nuclear (e.g. protest)

反华 反華 fan3 hua2
anti-Chinese

反话 反話 fan3 hua4
irony; ironic remark

反悔 反悔 fan3 hui3
to renege; to go back (on a deal); to back out (of a promise)

反击 反擊 fan3 ji1
to strike back; to beat back; to counterattack

反基督 反基督 fan3 ji1 du1
the anti-Christ

反剪 反剪 fan3 jian3
with hands behind one's back; trussed

反间 反間 fan3 jian4
to sow dissension; to drive a wedge between (one's enemies)

反舰导弹 反艦導彈 fan3 jian4 dao3 dan4
anti-ship missile

反间谍 反間諜 fan3 jian4 die2
counterintelligence; protection against espionage

反间计 反間計 fan3 jian4 ji4
stratagem of sowing dissension

反舰艇 反艦艇 fan3 jian4 ting3
anti-ship

反舰艇巡航导弹 反艦艇巡航導彈 fan3 jian4 ting3 xun2 hang2 dao3 dan4
anti-ship cruise missile

反角 反角 fan3 jiao3
reflex angle

反接 反接 fan3 jie1
trussed; with hands tied behind the back

反诘 反詰 fan3 jie2
to ask (a question) in reply; to answer a question with a question; rhetorical question

反诘问 反詰問 fan3 jie2 wen4
to cross-examine

反锯齿 反鋸齒 fan3 ju4 chi3
anti-aliasing

反角 反角 fan3 jue2
bad guy (in a story); villain

反抗 反抗 fan3 kang4
to resist; to rebel

反抗者 反抗者 fan3 kang4 zhe3
rebel

反科学 反科學 fan3 ke1 xue2
anti-science; anti-scientific

反客为主 反客為主 fan3 ke4 wei2 zhu3
lit. the guest acts as host (idiom); fig. to turn from passive to active behavior

反空降 反空降 fan3 kong1 jiang4
anti-aircraft defense

反恐 反恐 fan3 kong3
anti-terrorism; to fight against terrorism

反恐战争 反恐戰爭 fan3 kong3 zhan4 zheng1
war on terrorism

反口 反口 fan3 kou3
to correct oneself; to renege; to break one's word

反酷刑折磨公约 反酷刑折磨公約 fan3 ku4 xing2 zhe2 mo2 gong1 yue1
UN convention against torture and cruel treatment (ratified by PRC in 1988)

反馈 反饋 fan3 kui4
to send back information; feedback

反例 反例 fan3 li4
counterexample

反粒子 反粒子 fan3 li4 zi3
antiparticle (physics)

反脸无情 反臉無情 fan3 lian3 wu2 qing2
to turn one's face against sb and show no mercy (idiom); to turn against a friend

反垄断 反壟斷 fan3 long3 duan4
anti-trust legislation; anti-monopoly

反垄断法 反壟斷法 fan3 long3 duan4 fa3
anti-trust law; legislation again monopolies

反录病毒 反錄病毒 fan3 lu4 bing4 du2
reverse transcription virus; retrovirus

反美 反美 fan3 mei3
anti-American

反密码子 反密碼子 fan3 mi4 ma3 zi5
anticodon

反面 反面 fan3 mian4
reverse side; backside; the other side (of a problem etc); negative; bad

反面儿 反面兒 fan3 mian4 er5
erhua variant of 反面

反面人物 反面人物 fan3 mian4 ren2 wu4
negative character; bad guy (in a story)

反目 反目 fan3 mu4
to quarrel; to fall out with sb

反目成仇 反目成仇 fan3 mu4 cheng2 chou2
to become enemies (idiom); to fall out with sb

反派 反派 fan3 pai4
villain (of a drama etc)

反叛 反叛 fan3 pan4
to rebel; to revolt

反叛分子 反叛份子 fan3 pan4 fen4 zi3
insurgent; rebel

反批评 反批評 fan3 pi1 ping2
countercriticism

反聘 反聘 fan3 pin4
to re-hire retired personnel

反扑 反撲 fan3 pu1
to counterattack; to come back after a defeat; to retrieve lost ground

反其道而行之 反其道而行之 fan3 qi2 dao4 er2 xing2 zhi1
to do the very opposite; to act in a diametrically opposite way

反气旋 反氣旋 fan3 qi4 xuan2
anticyclone

反潜 反潛 fan3 qian2
anti-submarine; antisubmarine

反切 反切 fan3 qie4
traditional system expressing the phonetic value of a Chinese character using two other characters, the first for the initial consonant, the second for the rhyme and tone

反清 反清 fan3 qing1
anti-Qing; refers to the revolutionary movements in late 19th and early 20th century leading up to 1911 Xinhai Revolution 辛亥革命

反倾销 反傾銷 fan3 qing1 xiao1
anti-dumping

反裘负刍 反裘負芻 fan3 qiu2 fu4 chu2
lit. to wear one's coat inside out and carry firewood on one's back (idiom); fig. to live a life of poverty and hard work; fig. to act stupidly

反求诸己 反求諸己 fan3 qiu2 zhu1 ji3
to seek the cause in oneself rather than sb else

反人道罪 反人道罪 fan3 ren2 dao4 zui4
a crime against humanity

反人道罪行 反人道罪行 fan3 ren2 dao4 zui4 xing2
crime against humanity

反人类 反人類 fan3 ren2 lei4
inhuman

反人类罪 反人類罪 fan3 ren2 lei4 zui4
crimes against humanity

反日 反日 fan3 ri4
anti-Japan

反散射 反散射 fan3 san4 she4
backscatter

反射 反射 fan3 she4
to reflect; reflection (from a mirror etc); reflex (i.e. automatic reaction of organism)

反射动作 反射動作 fan3 she4 dong4 zuo4
reflex action

反射光 反射光 fan3 she4 guang1
to reflect light; reflection; reflected light

反射弧 反射弧 fan3 she4 hu2
reflex arc

反社会 反社會 fan3 she4 hui4
antisocial (behavior)

反社会行为 反社會行為 fan3 she4 hui4 xing2 wei2
antisocial behavior

反射镜 反射鏡 fan3 she4 jing4
reflector

反射疗法 反射療法 fan3 she4 liao2 fa3
reflexology (alternative medicine)

反射面 反射面 fan3 she4 mian4
reflecting surface

反射区治疗 反射區治療 fan3 she4 ou1 zhi4 liao2
reflexology (alternative medicine)

反射星云 反射星雲 fan3 she4 xing1 yun2
reflection nebula

反射作用 反射作用 fan3 she4 zuo4 yong4
reflex; reflection

反身 反身 fan3 shen1
to turn around

反身代词 反身代詞 fan3 shen1 dai4 ci2
reflexive pronoun

反生物战 反生物戰 fan3 sheng1 wu4 zhan4
biological (warfare) defense

反圣婴 反聖嬰 fan3 sheng4 ying1
La Niña (counterpart of El Niño in meteorology)

反诗 反詩 fan3 shi1
verse criticizing officials; satirical verse

反时势 反時勢 fan3 shi2 shi4
unconventional

反时针 反時針 fan3 shi2 zhen1
counterclockwise

反式 反式 fan3 shi4
trans- (isomer) (chemistry); see also 順式|顺式

反式脂肪 反式脂肪 fan3 shi4 zhi1 fang2
trans fat; trans-isomer fatty acid

反式脂肪酸 反式脂肪酸 fan3 shi4 zhi1 fang2 suan1
see 反式脂肪

反手 反手 fan3 shou3
to turn a hand over; to put one's hand behind one's back; fig. easily done

反水 反水 fan3 shui3
turncoat; traitor

反思 反思 fan3 si1
to think back over sth; to review; to revisit; to rethink; reflection; reassessment

反诉 反訴 fan3 su4
counterclaim; countercharge (law)

反诉状 反訴狀 fan3 su4 zhuang4
counterclaim

反酸 反酸 fan3 suan1
acid reflux; regurgitation

反锁 反鎖 fan3 suo3
locked in (with the door locked from the outside)

反贪 反貪 fan3 tan1
anti-corruption (policy)

反贪腐 反貪腐 fan3 tan1 fu3
anti-corruption

反贪污 反貪污 fan3 tan1 wu1
anticorruption

反弹 反彈 fan3 tan2
to bounce; to bounce back; to boomerang; to ricochet; rebound (of stock market etc); bounce; backlash; negative repercussions

反坦克 反坦克 fan3 tan3 ke4
anti-tank

反特 反特 fan3 te4
to thwart enemy espionage; to engage in counterespionage

反托拉斯 反托拉斯 fan3 tuo1 la1 si1
antitrust (loanword)

反围剿 反圍剿 fan3 wei2 jiao3
communist attack against the Guomindang's encircle and annihilate campaign

反胃 反胃 fan3 wei4
retching; vomiting

反文旁 反文旁 fan3 wen2 pang2
(colloquial) grapheme 攵 (variant form of Kangxi radical 66, 攴)

反问 反問 fan3 wen4
to ask (a question) in reply; to answer a question with a question; rhetorical question

反问句 反問句 fan3 wen4 ju4
rhetorical question

反问语气 反問語氣 fan3 wen4 yu3 qi4
tone of one's voice when asking a rhetorical question

反污 反污 fan3 wu1
to accuse the victim (while being the guilty party)

反诬 反誣 fan3 wu1
to make a false countercharge

反物质 反物質 fan3 wu4 zhi4
antimatter

反响 反響 fan3 xiang3
repercussions; reaction; echo

反向 反向 fan3 xiang4
opposite direction; reverse

反斜杠 反斜杠 fan3 xie2 gang4
backslash (computing)

反斜线 反斜線 fan3 xie2 xian4
backslash (computing); reversed diagonal

反兴奋剂 反興奮劑 fan3 xing1 fen4 ji4
anti-doping; anti-stimulant; policy against drugs in sports

反省 反省 fan3 xing3
to reflect upon oneself; to examine one's conscience; to question oneself; to search one's soul

反演 反演 fan3 yan3
inversion (geometry)

反咬一口 反咬一口 fan3 yao3 yi1 kou3
to make a false countercharge

反义 反義 fan3 yi4
antonymous; (genetic) antisense

反义词 反義詞 fan3 yi4 ci2
antonym

反义字 反義字 fan3 yi4 zi4
character with opposite meaning; antonym; opposite characters

反英 反英 fan3 ying1
anti-English

反应时间 反應時間 fan3 ying1 shi2 jian1
response time (technology)

反英雄 反英雄 fan3 ying1 xiong2
antihero

反映 反映 fan3 ying4
to mirror; to reflect; mirror image; reflection; (fig.) to report; to make known; to render

反应 反應 fan3 ying4
to react; to respond; reaction; response; reply; chemical reaction

反应堆 反應堆 fan3 ying4 dui1
reactor

反应堆燃料元件 反應堆燃料元件 fan3 ying4 dui1 ran2 liao4 yuan2 jian4
fuel element

反应堆芯 反應堆芯 fan3 ying4 dui1 xin1
reactor core

反应锅 反應鍋 fan3 ying4 guo1
reaction pot (chemical engineering); cauldron (at Hogwarts 霍格沃茨)

反映论 反映論 fan3 ying4 lun4
theory of reflection (in dialectic materialism), i.e. every perception reflects physical reality

反应时 反應時 fan3 ying4 shi2
response time

反应式 反應式 fan3 ying4 shi4
equation of a chemical reaction

反用换流器 反用換流器 fan3 yong4 huan4 liu2 qi4
inverter, device that converts AC electricity to DC and vice versa

反犹太主义 反猶太主義 fan3 you2 tai4 zhu3 yi4
antisemitism

反右 反右 fan3 you4
anti-rightist; abbr. for 反右派鬥爭|反右派斗争

反右派斗争 反右派鬥爭 fan3 you4 pai4 dou4 zheng1
Anti-Rightist Movement, Mao's purge of "rightists" after the Hundred Flowers Campaign ended in 1957

反右运动 反右運動 fan3 you4 yun4 dong4
Anti-Rightist Movement, Mao's purge of "rightists" after the Hundred Flowers Campaign ended in 1957

反语 反語 fan3 yu3
irony

反语法 反語法 fan3 yu3 fa3
irony

反袁 反袁 fan3 yuan2
opposing Yuan Shikai 袁世凱|袁世凯 in War of national protection 1915-1916; same as 反袁鬥爭|反袁斗争

反袁斗争 反袁鬥爭 fan3 yuan2 dou4 zheng1
war of 1915 against Yuan Shikai and for the Republic

反袁运动 反袁運動 fan3 yuan2 yun4 dong4
opposing Yuan Shikai 袁世凱|袁世凯 in War of national protection 護國爭|护国争 1915-1916; same as 反袁鬥爭|反袁斗争

反战 反戰 fan3 zhan4
anti-war

反战抗议 反戰抗議 fan3 zhan4 kang4 yi4
antiwar protest

反掌 反掌 fan3 zhang3
lit. to turn over one's palm; fig. everything is going very well.

反照 反照 fan3 zhao4
reflection

反照率 反照率 fan3 zhao4 lv4
reflectivity; albedo

反证 反證 fan3 zheng4
disproof; rebuttal; reductio ad absurdum

反正 反正 fan3 zheng4
anyway; in any case; to come over from the enemy's side

反证法 反證法 fan3 zheng4 fa3
reductio ad absurdum

反政府 反政府 fan3 zheng4 fu3
anti-government (protest)

反正一样 反正一樣 fan3 zheng4 yi1 yang4
whether it's right or wrong doesn't make a lot of difference; six of one and half a dozen of the other; as broad as it is long

反之 反之 fan3 zhi1
on the other hand...; conversely...

反知识 反知識 fan3 zhi1 shi5
anti-intellectual

反之亦然 反之亦然 fan3 zhi1 yi4 ran2
vice versa

反转 反轉 fan3 zhuan3
reversal; inversion; to reverse; to invert (upside down, inside out, back to front, white to black etc)

反转录 反轉錄 fan3 zhuan3 lu4
reverse transcription

反转录病毒 反轉錄病毒 fan3 zhuan3 lu4 bing4 du2
retrovirus

反转选择 反轉選擇 fan3 zhuan3 xuan3 ze2
to invert the selection (on computer)

反撞 反撞 fan3 zhuang4
recoil (of a gun)

反走私 反走私 fan3 zou3 si1
to oppose smuggling; anti-contraband (measures, policy etc)

反嘴 反嘴 fan3 zui3
to answer back; to contradict; to renege; to go back on one's word

反嘴鹬 反嘴鷸 fan3 zui3 yu4
(bird species of China) pied avocet (Recurvirostra avosetta)

反坐 反坐 fan3 zuo4
to sentence the accuser (and free the falsely accused defendant)

反作用 反作用 fan3 zuo4 yong4
opposite reaction

放热反应 放熱反應 fang4 re4 fan3 ying4
exothermic reaction

非条件反射 非條件反射 fei1 tiao2 jian4 fan3 she4
unconditioned reflex (physiology)

夫妻反目 夫妻反目 fu1 qi1 fan3 mu4
man and wife fall out (idiom, from Book of Changes); marital strife

负反馈 負反饋 fu4 fan3 kui4
negative feedback

复分解反应 復分解反應 fu4 fen1 jie3 fan3 ying4
metathesis (chemistry)

高反 高反 gao1 fan3
altitude sickness; abbr. for 高原反應|高原反应

高原反应 高原反應 gao1 yuan2 fan3 ying4
altitude sickness; acute mountain sickness; abbr. to 高反

官逼民反 官逼民反 guan1 bi1 min2 fan3
a government official drives the people to revolt (idiom); a minister provokes a rebellion by exploiting the people

过敏反应 過敏反應 guo4 min3 fan3 ying4
allergic reaction

过敏性反应 過敏性反應 guo4 min3 xing4 fan3 ying4
allergic reaction; hypersensitive reaction; anaphylaxis

核反击 核反擊 he2 fan3 ji1
nuclear counter strike

核反应 核反應 he2 fan3 ying4
nuclear reaction

核反应堆 核反應堆 he2 fan3 ying4 dui1
nuclear reactor

核连锁反应 核連鎖反應 he2 lian2 suo3 fan3 ying4
nuclear chain reaction

化学反应 化學反應 hua4 xue2 fan3 ying4
chemical reaction

回光反照 回光反照 hui2 guang1 fan3 zhao4
final radiance of setting sun; fig. dying flash (of lucidity or activity, prior to demise)

积极反应 積極反應 ji1 ji2 fan3 ying4
active response; energetic response

角弓反张 角弓反張 jiao3 gong1 fan3 zhang1
opitoshtonous (med.), muscular spasm of the body associated with tetanus and meningitis

举一反三 舉一反三 ju3 yi1 fan3 san1
to raise one and infer three; to deduce many things from one case (idiom)

聚变反应 聚變反應 ju4 bian4 fan3 ying4
nuclear fusion

连锁反应 連鎖反應 lian2 suo3 fan3 ying4
chain reaction

链式反应 鏈式反應 lian4 shi4 fan3 ying4
chain reaction

链式裂变反应 鏈式裂變反應 lian4 shi4 lie4 bian4 fan3 ying4
chain reaction of nuclear fission

流宕忘反 流宕忘反 liu2 dang4 wang4 fan3
to stray and forget to return

免疫反应 免疫反應 mian3 yi4 fan3 ying4
immune response

谋反 謀反 mou2 fan3
to plot a rebellion; to conspire against the state

逆反 逆反 ni4 fan3
rebellious behavior; opposite; ob-

逆反心理 逆反心理 ni4 fan3 xin1 li3
reverse psychology

逆反应 逆反應 ni4 fan3 ying4
reverse reaction; counterreaction; inverse response

弄巧反拙 弄巧反拙 nong4 qiao3 fan3 zhuo1
see 弄巧成拙

偶联反应 偶聯反應 ou3 lian2 fan3 ying4
chain reaction (chemistry)

平反 平反 ping2 fan3
to redress (an injustice); to rehabilitate (sb whose reputation was unjustly sullied)

平方成反比 平方成反比 ping2 fang1 cheng2 fan3 bi3
proportional to inverse square (physics)

平方反比律 平方反比律 ping2 fang1 fan3 bi3 lv4
inverse square law (physics)

平方反比定律 平方反比定律 ping2 fang1 fan3 bi4 ding4 lv4
the inverse square law (in gravitation or electrostatics)

气冷式反应堆 氣冷式反應堆 qi4 leng3 shi4 fan3 ying4 dui1
gas-cooled reactor

强烈反对 強烈反對 qiang2 lie4 fan3 dui4
to oppose strongly; violently opposed to

轻水反应堆 輕水反應堆 qing1 shui3 fan3 ying4 dui1
light water reactor (LWR)

热核反应堆 熱核反應堆 re4 he2 fan3 ying4 dui1
thermal reactor

热核聚变反应 熱核聚變反應 re4 he2 ju4 bian4 fan3 ying4
thermonuclear fusion reaction

三反 三反 san1 fan3
"Three Anti" campaign (anti-corruption, anti-waste, anti-bureaucracy), early PRC purge of 1951-52

三反运动 三反運動 san1 fan3 yun4 dong4
"Three Anti" campaign (anti-corruption, anti-waste, anti-bureaucracy), early PRC purge of 1951-52

生产反应堆 生產反應堆 sheng1 chan3 fan3 ying4 dui1
production reactor

生物反应器 生物反應器 sheng1 wu4 fan3 ying4 qi4
bioreactor

誓不反悔 誓不反悔 shi4 bu4 fan3 hui3
to vow not to break one's promise

适得其反 適得其反 shi4 de2 qi2 fan3
to produce the opposite of the desired result

四一二反革命政变 四一二反革命政變 si4 yi1 er4 fan3 ge2 ming4 zheng4 bian4
counterrevolutionary coup of 12th April 1927, Chiang Kai-shek's coup against the communists in Shanghai

肃反 肅反 su4 fan3
purge of counterrevolutionary elements (esp. Stalin's purges of the 1930 and Mao's purges 1955-57); abbr. for 肅清反革命份子|肃清反革命分子

肃反运动 肅反運動 su4 fan3 yun4 dong4
purge of counterrevolutionary elements (esp. Stalin's purges of the 1930 and Mao's purges 1955-57); abbr. for 肅反肅清反革命份子|肃清反革命分子运动

肃清反革命分子 肅清反革命份子 su4 qing1 fan3 ge2 ming4 fen4 zi3
purge of counterrevolutionaries (esp. Stalin's purges of the 1930 and Mao's purges 1955-57); abbr. to 肅反|肃反

条件反射 條件反射 tiao2 jian4 fan3 she4
conditioned reflex

条件反应 條件反應 tiao2 jian4 fan3 ying4
conditioned response

同义反复 同義反復 tong2 yi4 fan3 fu4
tautology

违反 違反 wei2 fan3
to violate (a law)

违反宪法 違反憲法 wei2 fan3 xian4 fa3
to violate the constitution

窝里反 窩裡反 wo1 li5 fan3
see 窩裡鬥|窝里斗

物极必反 物極必反 wu4 ji2 bi4 fan3
when things reach an extreme, they can only move in the opposite direction (idiom)

相反 相反 xiang1 fan3
opposite; contrary

研究反应堆 研究反應堆 yan2 jiu1 fan3 ying4 dui1
research reactor

炎性反应 炎性反應 yan2 xing4 fan3 ying4
inflammation response

一反常态 一反常態 yi1 fan3 chang2 tai4
complete change from the normal state (idiom); quite uncharacteristic; entirely outside the norm; out of character

易如反掌 易如反掌 yi4 ru2 fan3 zhang3
easy as a hand's turn (idiom); very easy; no effort at all

义无反顾 義無反顧 yi4 wu2 fan3 gu4
honor does not allow one to glance back (idiom); duty-bound not to turn back; no surrender; to pursue justice with no second thoughts

易于反掌 易於反掌 yi4 yu2 fan3 zhang3
see 易如反掌

应激反应 應激反應 ying4 ji1 fan3 ying4
(physiological etc) stress

欲益反损 欲益反損 yu4 yi4 fan3 sun3
wishing for profit, but causing loss (idiom); good intentions that lead to disaster; It all ends in tears.

原子反应堆 原子反應堆 yuan2 zi3 fan3 ying4 dui1
atomic reactor

造反 造反 zao4 fan3
to rebel; to revolt

造反派 造反派 zao4 fan3 pai4
rebel faction

增殖反应堆 增殖反應堆 zeng1 zhi2 fan3 ying4 dui1
breeder reactor

辗转反侧 輾轉反側 zhan3 zhuan3 fan3 ce4
to toss and turn restlessly (in the bed)

正反 正反 zheng4 fan3
positive and negative; pros and cons; inside and outside

正反两面 正反兩面 zheng4 fan3 liang3 mian4
two-way; reversible; both sides of the coin

知识越多越反动 知識越多越反動 zhi1 shi5 yue4 duo1 yue4 fan3 dong4
the more knowledgeable, the more reactionary (absurd anti-intellectual slogan attributed after the event to the Gang of Four 四人幫|四人帮)

重水反应堆 重水反應堆 zhong4 shui3 fan3 ying4 dui1
heavy water reactor (HWR)

自反 自反 zi4 fan3
to introspect; to self-reflect; (math.) reflexive