(french) haberdar; bilgili

listen to the pronunciation of (french) haberdar; bilgili
Türkçe - İngilizce
au courant
Up to date, informed on the latest developments etc

You talk as though I was perfectly au courant when I do not know the first thing about it.

Fully familiar; knowledgeable
Informed on current affairs; up-to-date
(French) "in the current", aware of, knowledgeable about
being up to particular standard or level especially in being up to date in knowledge; "kept abreast of the latest developments"; "constant revision keeps the book au courant"; "always au fait on the latest events"; "up on the news"