We have no objection to this change, but doubt that it will significantly improve matters.

我们不反对这种变化，但怀疑这是否将明显地改善事态。

《柯林斯英汉双解大词典》

I will never doubt that!

我永远不会怀疑这一点！

youdao

She knew without a shadow of a doubt that he was lying to her.

她十分清楚他在对她撒谎。

《牛津词典》

Some aquaculture critics doubt that aquaculture can keep growing at the current rate.

VOA: special.2011.02.08

And after the usual amount of scholarly debate, there seems to be no doubt that it was the City of Troy.

经过一番学术讨论之后,这里被确定为特洛伊城

耶鲁公开课 - 古希腊历史简介课程节选

I'm giving him the benefit of the doubt that, that hopefully things will turn around a little bit,

在没有足够证据质疑之前，我还是信任他的。希望事情能有所好转，

有名的毕业生 - SpeakingMax英语口语达人

There is no doubt that China has done well over the last five years.

BBC: China to address economic imbalance

We've done DNA sampling and testing and so there is no doubt that we killed Osama bin Laden.

WHITEHOUSE: Press Briefing

If you doubt that cloud can be cheaper, you are talking to the wrong clould provider.

FORBES: 7 Great Unsolved Mysteries of Cloud Computing