turn over a new leaf

US /tɜrn ˈoʊvər ə nu lif/
UK /tɜrn ˈoʊvər ə nu lif/
"turn over a new leaf" picture
1.

改過自新, 重新做人

to start to behave in a better or more responsible way

:
After his release from prison, he promised to turn over a new leaf.
出獄後,他承諾改過自新
I'm going to turn over a new leaf and start exercising regularly.
我將改過自新,開始定期鍛鍊。