如果你们俩不停止讲话，我就要把你们分开。

I shall ___separate you two if you don't stop talking.

不知怎么地，在匆忙离开大楼时，我和我母亲走散了。

Somehow, in the rush to get out of the building, I got ___separated from my mother.

我注意到有些人在打架，我们试图把他们分开。

I noticed that there were some people fighting, and we tried to ___separate them.