小惩大诫

Traditional (Taiwan): 小懲大誡

xiǎochéngdàjiè ㄒㄧㄠˇ ㄔㄥˊ ㄉㄚˋ ㄐㄧㄝˋ

    • lit. to punish a little to prevent a lot (idiom) to criticize former mistakes firmly to prevent large scale repetition

Character by character

Sources