Its raining cats and dogs
what is its raining very heavily
Like a fish out of water
What is something that is out of place
A piece of cake
What is extremely easy
Look like a million bucks
What is looking really good
Get the green light
What is to get permission to do something
Calm before the storm
What is A calm time immediately before period of violent activity or argument
Ants in my pants
What is being very anxious or excited
A couch potato
What is someone who is lazy
Bring home the bacon
What is earning money
To pass with flying colors
What is to pass something with a high score
Cloud nine
What is extremely happy
Eat like a horse
What is when someone eats a lot
That is the way the cookie crumbles
What is thats just the way it is
Money doesn't grow on trees
What is money is limited
Once in a blue moon
What is very rare
When it rains it pours
What is when things go wrong they go very wrong
Kill two birds with one stone
What is to accomplish two things at once
Two peas in a pod
What is two people who share similarities
Rome wasn't built in a day
What is it takes a long time to do something worth doing
To have a green thumb
What is having a talent for gardening
Lightning fast
What is very fast
Let the cat out of the bag
What is revealing a secret
Have bigger fish to fry
What is have more important things to do
Put your money where your mouth is
What is to do something rather than just talk about it
Show your true colors
What is to reveal who you really are