不足为训 bùzúwéixùn not to be followed Definitions Defs Origin Strokes Stroke Words Sentences Sents 不足 bùzú adjective not worth not worth doing something; not deserving of为 為 wéi verbpreposition to be to be; to become; to act as; to serve as; to take as训 訓 xùn nounverb [instruction] (bound form) teachings; instruction; an example or model to follow; a rule or standard