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解剖学的人来说，肠道是调节消化的神经系统。

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

但是，知道，人们更加熟悉这种口音。

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

例，解游戏规则吗？

Not being terribly au fait with my Hindu religious practice.

我的印度教教习俗并不十分熟悉。

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

熟悉某，某有所解。

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

所以，可以说我它们生活的方方面面并不太解。

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·哈马尔先生的诉讼之后，我发现，正我所料，贝克夫人那件完全是既成实。

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.

我也想在座的各位观众坦诚相待，就像房地产一样， 我房地产并不十分精通。

I saw obvious objections: the man was au fait with cracksmen and their ways: he would certainly have firearms, and might be the first to use them.

我看到明显的反意见：这个人骗子和他们的方式很熟悉：他肯定会有枪支，而且可能是第一个使用枪支的人。