不当紧 bùdāngjǐn unimportant 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当紧 當緊 dāngjǐn important (colloquial) important; urgent; critical