?
what goes around comes around
?
break a leg
?
it's raining cats and dogs
?
eat like a horse
?
let the cat out of the bag
?
it's not rocket science
?
a drop in a bucket
?
barking up the wrong tree
?
cool as a cucumber
?
goody two shoes
?
wolf in sheep's clothing
?
green with envy
?
hit the hay
?
couch potato
?
smart cookie
?
on cloud nine
