在研究阿尔兹·海默方面，我是专家。

I'm an expert on Alzheimer's.

youdao

提到看地图这回事，我是专家。

When it comes to reading maps, I am the master.

youdao

阿美：我说过我是专家。

May: I've told you I'm an expert.

youdao

I am a specialist of atoms that are left-handed on Thursday afternoons, and don't talk to me about anything else.

我就是原子方面的专家,在周三下午是左撇子，并且不要和我谈论其他方面的任何东西。

麻省理工公开课 - 固态化学导论课程节选

I leave it to my expert colleagues in History of the American West to decide exactly who came up with the term Manifest Destiny, who actually first used it.

我的同事是美国西部史专家,他也许能够,阐述清楚命运天定这个术语是怎么出现的,以及到底是谁第一个用它

耶鲁公开课 - 美国内战与重建课程节选

I'll end by telling you that there's a lot of stuff that we'll be talking about, that I want to talk about, that I am not expert in.

最后还要告诉你们,我们还会讲到很多其它的内容,是一些我会讲到的东西,但我并不是那些方面的专家

耶鲁公开课 - 心理学导论课程节选