以功补过

Pinyin: yǐ gōng bǔ guò Explanation: 用功劳来弥补过错。 Source: 《云笈七签》卷九十三追悔既往，洗心自新。虽失之于壮齿，冀收之于晚节。以功补过，过落而功全；以正易邪，邪忘而正在。” Thesaurus:  Will power atone for one's crime, atome for a crime by good deeds, redeem sin by meritorous service, Liegongfuguo