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