hold your horses
wait a moment
cost an arm and a leg
very expensive
break a leg
good luck
Go back to the drawing board
Start over
Hang in there
Don't give up
Hit the sack
Go to sleep
Pull someone's leg
To joke with someone
Pull yourself together
Calm down
Under the weather
Sick
Wrap your head around something
Understand something complicated
We'll cross that bridge when we come to it
Let's not talk about that problem right now
Actions speak louder than words
Believe what people do and not what they say
By the skin of your teeth
Just barely
Give someone the cold shoulder
Ignore someone
It's a piece of cake
It's easy
It's raining cats and dogs
It's raining hard
