abreast au courant au fait up on
abreast%5:00:00:informed:00 au_courant%5:00:00:informed:00 au_fait%5:00:00:informed:00 up_on%5:00:00:informed:00
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