I cannot believe that it is true.

我都不敢相信这是真的。

youdao

"I cannot believe this,"she said.

“我简直不敢相信。”她说。

youdao

I cannot believe you just did that!

真不敢相信你就那么做了！

youdao

I know the human mind will not believe what it cannot understand.

VOA: special.2010.07.10

And, believe it or not, I have students walk in and first thing a hand goes up and says do you have a pen? I cannot believe it.

不管信不信，我有些学生走进来，第一件事就举起手问,你有没有笔，难以置信。

麻省理工公开课 - 固态化学导论课程节选

"I think it's a crazed idea, I've heard about it today and I cannot believe it, " he said.

BBC: Plans for new Sussex town meet with opposition

"I cannot believe he wasn't asked down for Wales testing, " Bennett told BBC Radio Wales' Scrum V show.

BBC: Warren Gatland's Wales boost for Dwayne Peel

Yet I cannot believe that there is anything more or anything different that I could have done and that would have been more successful.

BBC: Prime Minister Chamberlain declares war