Idioms
Break a leg
Good luck
hold your horses
slow down / wait
under the weather
to feel sick
walking on egg shells
Being very careful
Are you pulling my leg?
Are you messing with me?
Piece of cake
really easy
Raining cats and dogs
raining really hard
to see red
to get really angry
cost an arm and a leg
being extremely expensive
Call it a day
to decide to stop doing something
hit the hay
go to sleep
Go back to the drawing board
to start over