我对他是否有能力干这份工作表示怀疑。

I query his ability to do the job.

我们可能会对这个假设表示怀疑，由于日常生活中物质方面的原因，爱斯基摩有对雪景的命名与我们相比有着很大差别。

We might want to query this assumption by noting that the snowscape is named differently by Inuits because of the material bearing it has in their day-to-day existence.

一些科学家对苹果砸在牛顿头上的故事表示怀疑。

Some scientists have doubts about the story of an apple falling on Newton's head.

她对这个故事表示怀疑。

She expressed doubt about the story.

听众对新政策的宣布表示怀疑。

The audience reacted skeptically to the new policy announcement.

科学家们对这些研究结果表示怀疑态度。

Scientists expressed skepticism about the study results.

许多美国年轻人对社交媒体作为可靠的新闻来源表示怀疑。

Many young Americans cast doubts on social media as a reliable source of news.

我很认真地表示怀疑。

I seriously doubt it.

对…表示怀疑；争论。

To express doubt about; dispute.

他们坦率地表示怀疑。

They were frankly skeptical .