我不再喝酒了——我已经洗心革面了。

I'm not drinking any more - I've ___turned ___over ___a ___new ___leaf.

争吵过后，她承诺要改过自新。

After the argument, she promised to ___turn ___over ___a ___new ___leaf.

意识到自己的旧习惯正在损害他的事业，他决定重新开始。

Realising his old habits were harming his career, he decided to ___turn ___over ___a ___new ___leaf.