關卡

checkpoint (for taxation, security etc) / barrier / hurdle / red tape / CL:個|个[ge4],道[dao4]

to stop / to block / (computing) (coll.) slow / (loanword) card / CL:張|张[zhang1],片[pian4] / truck (from "car") / calorie (abbr. for 卡路里[ka3 lu4 li3]) / cassette

to block / to be stuck / to be wedged / customs station / a clip / a fastener / a checkpost / Taiwan pr. [ka3]

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