将功补过

[make amends for one’s faults by good deeds;redeem sin by meritorous service;atone for a crime by good service;expiate one's crime by good service] 加倍用功出力以弥补以往的罪过

详细解释

以功劳补偿过错。如：犯了错误的同志，都要努力改正，将功补过。

成语解释

将：拿；补：补偿。用功劳补偿过错。