1. if you are au courant, you have the most recent information about something or someone.

I bought a copy of Hello magazine in an attempt to be au courant with the lives of the rich and famous. (usually + with)

2. modern and fashionable.

If you want to keep your au courant status this winter, you won't be wearing black.

• the early bird catches the worm.
• the earth moved
• the ebb and flow
• the ebb and flow of
• the ebb and flow of something
• the end justifies the means.
• the end of the line
• the end of the road
• the eye of the storm
• the factory floor
• the facts of life
• the fag-end of
• the fag-end of something
• the fairer sex
• the fair sex
• the fat is in the fire
• the feathers fly
• the final curtain
• the final straw
• the fine print
• the [first/highest/next etc.] rung on the ladder
• the first rung on the ladder
• the first string
• the first thing
• the first thing in the morning