既然事情已经发生了，就没有后悔的余地了。

Now those things have happened, there is no room for regret.

youdao

缓缓说道：“小倩同学啊，既然事情已经发生了，你最好还是说清楚。”

Slowly said: "Xiaoqian students ah, since things have happened, you'd better make it clear."

youdao

9事情既然已经发生了，哭有什么用？

Now that it has happened, what's the use of crying?

youdao