sui4
tunnel; underground passage

strokes 14
radical
strokes after radical 13
隧道 隧道 sui4 dao4
tunnel

隧洞 隧洞 sui4 dong4
tunnel

腕隧道症候群 腕隧道症候群 wan4 sui4 dao4 zheng4 hou4 qun2
carpal tunnel syndrome (pain in the hands due to pressure on the median nerve); median neuropathy at the wrist