It's time to let go of the past.

该忘掉过去了。

《牛津词典》

For your own sake, let go of the past.

为了你自己，让过去的事情过去吧。

youdao

Let go of the past. Don't let it hold you back.

放下过去，不要让它阻碍你前进。

youdao

This too will create new relationship patterns that make it easier to let go of the past.

FORBES: Promoted Over Your Peers? Now That's Awkward

Soon, I changed from a frantic, terrified and angry person into someone who was able to let go of the past.

CNN: With an open heart, giving is receiving

But if the unionists, fearful for the future and unable to let go of the past, say No then it may be back to the drawing board or worse.

ECONOMIST: Northern Ireland