turn over a new leaf
改過自新;重新開始;改變行為方式
口語·表達改過自新
英文釋義
to make a fresh start or change one's behavior or attitude for the better
例句
After the accident, he turned over a new leaf and started exercising daily.
典故來源
源于書籍翻到新一頁的比喻,象征重新開始或改變行為。