I am thoroughly acquainted with the actions of drugs.

What you really want is a contractor who bothers to become thoroughly acquainted with your job at the outset.

I'm thoroughly acquainted with its clinical characteristics, of course.

"In that case, he ought to be thoroughly acquainted with the neighboring forests."

You feel comfortable that this person has been thoroughly acquainted with your requirements.

In this capacity he became thoroughly acquainted with the records of the monastery.

We soon got thoroughly acquainted with the Lake and all its peculiarities.

When he was thoroughly acquainted with the story, Jo-Ad began work.

Johnson was a man of great industry who made it his business to be thoroughly acquainted with the subjects under debate.

So there can be no doubt that Bendix is thoroughly acquainted with the stuff.