I rather suspect we're making a mistake.

我有点儿怀疑我们正在犯错误。

《牛津词典》

She was frightened of making a mistake.

她害怕犯错误。

《柯林斯英汉双解大词典》

And I am not making a mistake here.

我并没有错。

youdao

But Barrasso says Democrats are making a mistake by ruling out the use of U.S.oil in some places.

VOA: standard.2009.05.23

But if my students can catch me making a mistake, it means they are following it and they are not hesitating to tell me.

如果我的学生能发现我犯的错误,这证明你们确实在听课,并且愿意直言不讳

耶鲁公开课 - 基础物理课程节选

That's the big negativity in United States. The United States is making a huge mistake

这恰恰是美国的消极面了。美国正在犯一个大错误。

美国偶像 - SpeakingMax英语口语达人

Miles Beale, the group's chief executive, is clear he thinks the government is making a mistake.

BBC: The battle over alcohol pricing

He's not scared of making a mistake or of changing his mind in an instant.

WSJ: Alex Ferguson Exit Creates a Management Dilemma at Manchester United

We thought it was about not making a mistake, but perhaps we were too conservative.

BBC: Button bid hit by qualifying flop