keep (someone) posted

to make sure that someone always knows what is happening.

Keep me posted on anything that happens while I'm away. (sometimes + on)

• be no use to man or beast
• bent on
• bent on something
• bent out of shape
• be of a piece
• be off base
• be off beam
• be off chump
• be off-colour
• be off nut
• be off rocker
• be off the beaten track
• be off the blocks
• be off the hook
• be off the mark
• be off the starting blocks
• be off the wall
• be off trolley
• be off your chump
• be off your nut
• sit on arse
• sit on backside
• sit on hands
• sit on the fence
• sit on your arse