return of the prodigal son;reform of a loafer; return to the fold;turn over a new leaf
浪子回头lànɡ zǐ huí tóu
浪子：指不务正业、游手好闲的浪荡子弟。比喻不务正业的人改邪归正，也比喻做了坏事的人改过自新。return of the prodigal son, hail the return of the prodigal son, broken bones will set become stronger, return to the fold, turn over a new leaf