如果他回来的话，他就是你的。

It comes back to you, it is yours.

youdao

他说如果你周五不回来上班的话，就会被解雇。我想他是当真的。

He says you're fired if you're not back at work on Friday. And I think he meant it.

《柯林斯英汉双解大词典》

他继续说，“我把你放下来，你可以穿过公路，然后我回来时如果你还在的话我会再让你搭上来。”

I'll drop you off, you can cross the road and I'll pick you up on the way back if you're still there when I return.

youdao