懲ㄔㄥˊchéng前ㄑㄧㄢˊqián毖ㄅㄧˋbì後ㄏㄡˋhòu

  1. 語本《詩經·周頌·小毖》：「予其懲而毖後患。」以從前的過失為教訓，戒慎不再犯錯。《清史稿·卷一三一·兵志二》：「同治中興以後，疆臣列帥，懲前毖後，漸改練勇巡防之制。」

英lit. to punish those before to prevent those after (idiom)​; to criticize former mistakes firmly to prevent them happening again
法tirer la leçon des erreurs passées