Cost an arm and a leg
Break a leg
Let the cat out of the bag
Bite the bullet
Piece of cake
Hit the nail on the head
lone it (loned it)
A piece of the pie
Scared of his own shadow
Kill two birds with one stone
Accomplish two things at once
Correct
Reveal a secret
Unreasonably afraid of most everything.
A share of something
Expensive
do (did) it alone.
Face a difficult situation
Easy
Good luck
