卡关

卡关	kǎ guān	to be stuck / to feel stuck
卡	kǎ	to stop / to block / (computing) (coll.) slow / (loanword) card / CL:张,片 / truck (from "car") / calorie (abbr. for 卡路里) / cassette
卡	qiǎ	to block / to be stuck / to be wedged / customs station / a clip / a fastener / a checkpost / Taiwan pr. [ka3]
关	Guān	surname Guan
关	guān	mountain pass / to close; to shut; to turn off / to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc) / to concern; to involve