As the saying goes — it's no use crying over spilt milk.

常言道：覆水难收，后悔也于事无补。

《牛津词典》

The child is crying over there. What's wrong with him?

孩子在那边哭。他怎么了？

youdao

Now it's done, regrets are of no avail.; It's no use crying over spilt milk.

事已如此， 后悔也是枉然。

《新英汉大辞典》

Fellow pop star Madonna told People magazine she could not stop crying over the news.

VOA: standard.2009.06.26

No more chicks crying over him on the couch or gobbling the rabo downstairs.

NEWYORKER: The Pura Principle

In the hospital emergency room Thursday, Randy and Jermaine were witnessed hugging and crying over their late brother.

CNN: Jacksons rely on strength of family

But Argentineans should be crying over the great potential that's been gratuitously lost.

FORBES: Fact and Comment