我不相信他是靠正当手段弄到那笔钱的。

I can't believe he got that money honestly.

《牛津词典》

我不相信他的话。

I didn't believe his words.

youdao

我不相信他对事件的说法。

I don't accept his version of events.

《牛津词典》

De Man does not believe this. De Man thinks, on the contrary, that there is such a thing as literariness.

德曼不相信这个，反之，他认为，有书面性这种东西存在。

耶鲁公开课 - 文学理论导论课程节选

But frankly, I'm convinced, insofar as I'm convinced of anything, that if one doesn't live by that, nothing of any interest is going to happen.

不过，坦率来讲，我相信，或者说，我确信，如果一个人不相信这一点，那么他的艺术创作只会平淡无奇。

普林斯顿公开课 - 人性课程节选

But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.

但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。

麻省理工公开课 - 固态化学导论课程节选