[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] 加倍用功出力以彌補(bǔ)以往的罪過

以功勞補(bǔ)償過錯。如：犯了錯誤的同志，都要努力改正，將功補(bǔ)過。