turn over a new leaf, mend one’s ways
改邪归正。
Turn over a new leaf.
改邪归正？
Turn over a new leaf?
— 神秘河 (2003)
他为什么改邪归正？
Why did he turn over a new leaf?
不如我改邪归正算了
Maybe I should just turn over a new leaf.
— 色‧戒 (2007)