不值當 bùzhídàng not worth it Origin Definitions Defs Strokes Stroke Words Sentences Sents 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值当 值當 zhídàng worthwhile worthwhile; to be worth the cost or effort. This word is more informal than 值得 zhíde.