Have you finished with Abbe Nolet, and are you 'au fait' of all the properties and effects of air?
Wherefore she knew that her gray foulard was distinctly not au fait.
Inspectors of weights, &c. are not au fait to this fruitful source of fraud among hucksters.
If poets wrote only of things with which they were au fait, where would all our poetry be?
His lordship appears to be au fait on every subject one can possibly imagine.
Yes, but it would not be au fait for Madame to wear darned stockings.
But I tell you what, I'll come and smoke a cigar with you afterwards, and put you au fait with all our various concerns.
I have told him nothing, yet he seems to be au fait to the whole business.
A few days of preparation makes Madame "au fait" in the newest fashions.
Meanwhile Jessie was making Maxwell au fait with the situation.