I could hardly believe it when I read the letter.

读到那封信时，我简直不敢相信。

《牛津词典》

I can do it because I believe I can do it.

我能做到，因为我相信我能做到。

youdao

I believe I have the talent to make it.

我相信我有获得成功的才干。

《柯林斯英汉双解大词典》

"So I believe I'd better give a hot Brazilian kiss. It would be better on the Day of the Couple."

VOA: special.2010.02.08

For example, I could believe that it's twice as likely that the person's going to choose Left as Right.

比方说,我可能认为对手选左的可能性,是选右的可能性的2倍

耶鲁公开课 - 博弈论课程节选

For example, we had a recession that started here -I believe that was '48--and then it ended in '49.

比如我们来看这一次衰退,大概从48年开始,于49年结束

耶鲁公开课 - 金融市场课程节选

Giuliani: OK. The reality is, I believe it, but I don't believe it's necessarily literally true in every single respect.

CNN: Giuliani's responses at the CNN/YouTube debate

"If I wasn't seeing it for myself I would never believe it, but I need to agree that it's a very tough league, " he said.

BBC: Cech enjoying life with Baggies

' I want to keep the democratic union that I know and I believe it is economically too late for Scottish independence.

BBC: Cameron EU referendum pledge: Your reactions