信用卡

credit card

letter / mail / CL:封[feng1] / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random

to trust / credit (commerce) / trustworthiness / creditworthiness

trustworthiness / (commerce) credit / (literary) to trust and appoint

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

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]