痛改前非

Explanation: Pain: complete; non: error. Completely correct previous mistakes. 　　Usage: Verb-object type; as the predicate attribute; with compliment 　　Source: Mingling 濛 first "half an hour Pai An Jing Qi" Volume 22: "You repentant, I put the house stay with your husband and wife." 　　Examples: The policy of the appeal, he was determined to ~, a fresh start. Thesaurus:  amend, reform oneself, Qixieguizheng, Evil from being abandoned, wash up, wash the heart and cleanse worries Antonym Group:  be impervious to reason, brass, Shameless, Incorrigible, Out by the government has, Audacity The View, labour of dogs and horses; serve like a dog or a horse, Pleasures of the report, wheel and deal (AmE.), wilful ignorance