不足为据 bùzúwéijù insufficient evidence Definitions Defs Origin Strokes Stroke Words Sentences Sents 不足 bùzú cannot cannot; should not; unable to be used as为 為 wéi verbpreposition to be to be; to become; to act as; to serve as; to take as据 據 jù noun proof (bound form) evidence; certificate; a written proof such as a receipt or voucher