金不换 jīnbùhuàn invaluable Origin Definitions Defs Strokes Stroke Words Sentences Sents 金 jīn noun gold gold; the chemical element Au; specifically 金子 jīnzi or 黄金 huángjīn不 bù adverb not Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings换 換 huàn verb to exchange to exchange; to trade; to switch; to convert currency