如果你们继续争吵，我就不得不把你们俩分开。

I'll have to ___separate you two if you keep arguing.

在人群中，我和我母亲走散了。

In the crowd, I got ___separated from my mother.

我们看到两个人在打架，赶紧冲过去把他们分开。

We saw two people fighting and rushed over to ___separate them.