洗心革面 [ㄒㄧˇ ㄒㄧㄣ ㄍㄜˊ ㄇㄧㄢˋ; xi3 xin1 ge2 mian4] lit. to wash one's heart and renew one's face (idiom); to repent sincerely and mend one's mistaken ways to turn over a new leaf ◄ ►