不ㄅㄨˋ足ㄗㄨˊ為ㄨㄟˊ訓ㄒㄩㄣˋbùzúwéixùn

简不足为训

  1. 不值得當作法則或典範。例 「這種作法不足為訓」。

英not to be taken as an example, not an example to be followed, not to be taken as authoritative