That math test was a piece of cake! I knew every answer!
Easy
I had to get the green light from my parents before I went to the movies with my friends.
To get permission to do something
He is a bookworm and always has a book in his hand.
Someone who reads a lot
Bring your umbrella; it's raining cats and dogs.
Raining very heavily
After I slept for 12 hours straight and put on brand new clothes, I looked like a million bucks.
To look and feel fantastic
My brother is such a couch potato. He lies around watching TV all day long.
A lazy person who watches too much television
Once in a blue moon, when the weather is good and the class is well behaved, my teacher takes us outside for extra recess.
Very rarely
In the library you need to be as quiet as a mouse.
Very quiet
She was lightning fast when she cleaned her room in 3 minutes because her friend was coming over.
Extremely fast
I need to bring home the bacon if I want to buy that brand new car!
To earn money, to achieve success
I hate being so short, but I guess that is the way the cookie crumbles!
That is just how it is
I passed my spelling test with flying colors! I got 100%!
To pass something with a high score
Every Thanksgiving I eat like a horse and end up with a bellyache.
Eat a lot, in large quantities
I was feeling under the weather so I stayed home from school.
To feel mildly ill or sick
I asked my dad for a pair of sneakers that cost $200 and he told me that money does not grow on trees.
It is not easy to get money, implies that the person you are addressing spends money too easily
I can't be bothered with cleaning my room right now, I have bigger fish to fry, like studying for my big math test.
Have more important things to do
I have straight hair and wish I had curly hair. I think the grass is always greener on the other side.
People think that they will be happier if things were different
I'm going to kill two birds with one stone do my homework while I'm riding the bus home.
To achieve two goals with one action
I was on cloud nine when my soccer team won the championship.
Very happy
I want to play basketball as well a professional, but Rome wasn't built in a day, so I will continue to work hard to get better each day.
It takes a long time to do something worth doing
My mom says my sister and I are two peas in a pod because we act exactly the same.
Nearly identical, very similar
I had a golden opportunity when I earned the basketball scholarship to college.
A very good chance to achieve something
I let the cat out of the bag when I accidentally told my sister about her surprise party.
A secret that was supposed to be kept quiet that was told
My brother told me I have my head in the clouds because I have a terrible voice but I think I will be a famous singer one day.
Have unrealistic or impractical ideas
If you really think you can run faster than I can, put your money where your mouth is and let's have a race!
To do something rather than just to talk about it