to fool around: to waste time (also: to screw around); to joke, not to be serious
– The problem doesn’t seem to be that participants are bored and fooling around.
– I’ve been fooling around with the 5mx and find it a generally agreeable machine.
to stand for: to represent, to signify; to tolerate Examples of TO STAND FOR He stands for shrinking the federal budget almost in half, legalizing marijuana. The citizens wouldn’t stand for the increase in crime in their city, so they hired more police officers and built another jail.
to draw up: to create by drawing, such as a map; to prepare documents or legal papers Examples of TO DRAW UP Draw up the plan with defined timelines to ensure you avoid derailment early on. Draw up a simple monthly balance sheet showing your regular income and expenses.
to cheer up: to make happier, to feel less sad Examples of TO CHEER UP We all tried to cheer up the little boy when he stared to cry. After the death of Deanne’s husband, it was difficult to cheer her up at all.
all of a sudden: suddenly, without warning (also: all at once) Examples of ALL OF A SUDDEN It seems like, all of a sudden, you’re mad at me, and I can never figure out why. All of a sudden, the storm subsided and the rain stopped.
to pick up: to lift from the floor, table, etc., with one’s fingers Examples of PICK UP He went to pick up his kids from soccer practice. Don’t forget to pick up milk at the store!
to put on: to place oneself (usually said of clothes) Examples of PUT ON She couldn’t wait to put on her prom dress. The king needs to put on his crown.