我的心情沮丧，因为我认为他要把我甩了，去追求另一个姑娘。

My heart sank because I thought he was going to dump me for another girl.

《柯林斯英汉双解大词典》

我认为他们必须取消世界杯，因为人们正在挨饿。

I think they must cancel the World Cup because people are starving.

youdao

我认为，可能那是必需的，因为这层关系太重要了。

I think, maybe that was necessary because it's an important relationship.

youdao

I find that strangely reassuring and troubling at the same time because I think we like to think how special we are.

我认为这种说法特别令人放心,同时也令人苦恼,因为我们总想着自己多么特别。

普林斯顿公开课 - 人性课程节选

It's a little... I think that concept is a little bit easier to grasp. It's like a definite rule, and

不过这个有点……我认为这个概念掌握起来稍微容易点。因为有明确的规则，而且是

韩国人经常犯的失误 - SpeakingMax英语口语达人

No, I mean the responsibility of art, I think, to try to be equal to the world.

因为我认为艺术的责任，是与世界相媲美。

普林斯顿公开课 - 人性课程节选