出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第257页(252字)
把以前的错误当做教训,使以后可以谨慎,不致重犯,例他出狱后便惩前毖后,踏实工作,因而再次得到亲友们的认同。
On leaving prison,he realized that he had done wrong in the past and must now work hard,thereby winning back the trust of his relatives and friends.