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

对于那些不或解剖人来说，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，人们更加这种口音。

Not being terribly au fait with my Hindu religious practice.

对我印度教宗教习俗并不十分。

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.

我也想对在座各位观众坦诚相待，就像房地产一样， 我对房地产并不十分精。

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

某事，或对某事有所了解。

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·哈马尔先诉讼之后，我发现，正如我所料，贝克夫人对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，你可以说我对它们活方方面面并不太了解。