Examples

If you are busy I can ask somebody else to help me.

你忙的话我就找别人帮我。

Somebody who puts on side behaves as though he thinks he's superior to everyone else.

摆架子的一些人表现的就像他比其他人高傲一点。

这篇文章不是他写的，是别人假托他的名义发表的。

He didn't write the essay; somebody else did, and published it under his name.

要是别人，我才不管呢。

If it had been somebody else, I wouldn't have bothered myself.

明明是他自己犯的错，他却要嫁祸给别人。

It's obviously his fault, but he puts the blame on somebody else.