I am not au fait with his point.
Many of us have to do our homework twice to be au fait with what is being said.
I speak as someone who is not au fait with the details of the negotiations.
The officers of the various commands are perfectly au fait with the regulations.
In any case, ordinary citizens may not be entirely au fait with the different responsibilities carried by local government units.
I am not sufficiently au fait with the position to know to what extent they have been modified.
We are all also au fait with franchising.
I do not know whether he is au fait with what has happened with the concessionary coal agreement.
