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246页（268字）
用功劳来抵罪，例他虽是绑匪之一，但因天性未泯，协助警方救出人质，才得以将功抵罪，减轻刑期。
Though he had been one of the gang of bandits，his good senses persuaded him to help the police rescue the hostages．Because of this good deed， his prison term was shortened．