改过自新 start with a clean slate; turn over a new leaf; become a new man; correct one's errors and make a fresh start; repent and reform; convert from a bad life to a good one; reform oneself; correct one's mistakes and turn over a new leaf; mend one's ways and start anew
因为世界重获新生 当儿童们的歌声响起 cause when the children sing then the new world begins
悔过自新 repent and start anew; express one's repentance and determination to turn over a new leaf; repent and make a fresh start; repent and start with a clean slate; repent and turn over a new leaf
自新 turn over a new leaf; make a fresh start 改过自新 correct one's errors and make a fresh start; turn over a new leaf