“忘记过去,开始新的生活”用英文怎么讲,）To forget what happened前半句这么说对吗?

let past away, and get a new start

Forget the past, and start a brandnew life.
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当然你也可以说forget what happened in the past开始前半句。

to forget the memory of past ,a fresh start.

I am no longer what I was!