Excuse me, but I don't think that's true.

很抱歉，我认为这不是真的。

《牛津词典》

I don't think that's true.

我认为那不正确。

youdao

I don't think that's true.

我不认为这就是真相。

youdao

And I don't think that's true, right?

那么这个算法肯定会占用更多的时间？

麻省理工公开课 - 计算机科学及编程导论课程节选

I don't think that's quite true, but there's a general feeling that, as Matthew Arnold said, Wordsworth has no style.

虽然我不认为那一定正确，但是普遍认为，就像马修阿诺德说的，华兹华斯没有固定的风格。

耶鲁公开课 - 文学理论导论课程节选

But I don't think that's true anymore.

NPR: Book Looks at White Youth and Hip-Hop Culture

"It's true that some people think I'm crazy, but I don't care, " Mr. Thongbai said, pounding a bright-red mixture of betel nut and tobacco to chew on later.

WSJ: In Thailand, It's Hard to Predict