au courant with

• 熟悉的；通晓的

au courant with的用法和样例：

例句

1. He is a learned man with whom we are familiar.
   他是一位我们熟悉的有学识的人。
2. He had to deal with scruples of an unknown species.
   他得和一种不熟悉的顾虑打交道。