return of the prodigal son;reform of a loafer; return to the fold;turn over a new leaf
浪子回頭lànɡ zǐ huí tóu
浪子：指不務正業(yè)、游手好閑的浪蕩子弟。比喻不務正業(yè)的人改邪歸正，也比喻做了壞事的人改過自新。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