不知 bùzhī HSK7 not know Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: not admit All meanings 7 bùzhī 7 not know 4unknowingly 2not admit 1 1 sentence for 不知 (bùzhī — not admit) 他为了完成实验,整整三天不知疲倦地工作。 tā wèile wánchéng shíyàn, zhěngzhěng sān tiān bùzhī píjuàn de gōngzuò. He worked tirelessly for three whole days to complete the experiment. Source: Dong Chinese Dictionary