I don't feel as if I belong here.

我在这里感觉格格不入。

Did you feel as if you hated people?

你觉得你好像讨厌别人吗？

I feel as if the whole house were in flames!

我觉得整个房子都着火了！

I feel as if you had been inside that garden.

我觉得你好像进过那个花园似的。

I feel as if something's behind me all the time.

我总觉得好像有什么东西一直在我身后。