For those of you not au fait with physiology or anatomy, the enteric tract is the nervous system that regulates digestion.

于那些不熟悉生理学或解剖学人来说，肠道是调节消化神经系统。

But, you know, so people are much more au fait with the accent.

但是，你知道，人们更加熟悉这种口。

Not being terribly au fait with my Hindu religious practice.

宗习俗并不十分熟悉。

I also want to be honest with you guys in the audience, like real estate is, I'm not so au fait with real estate.

也想在座各位观众坦诚相待，就像房地产一样， 房地产并不十分精通。

To be au fait, or au fait with something, to be familiar or to know about something.

熟悉某事，或某事有所了解。

For example, are you au fait with the rules of the game?

例如，你了解游戏规则吗？

Having alluded to M. de Hamal's suit, I found, as I expected, that Madame Beck was perfectly au fait to that affair.

在提到德·哈马尔先生诉讼之后，发现，正如所料，贝克夫人那件事完全是既成事实。

So, you can say that I'm not exactly au fait with the ins and outs of their lives.

所以，你可以说它们生活方方面面并不太了解。