是think:I think we're being followed.

我认为有人跟踪我们。

I think that's sweet， so there.

我觉得那很好，就这么定了。

Doctors think he will go blind.

医生们认为他会失明。

I think you are mentally tired.

我觉得你的头脑累了。

I think we're owed an apology.

我认为得有人向我们道歉。