I am feeling under the weather today.
Not feeling well
The test was a piece of cake!
The test was easy.
I have butterflies in my stomach about my new job.
Nervous
Once in a blue moon we go to the beach.
Very rarely
You rock! Thank you for watching my dog this weekend.
You are great!
I passed the test my the skin of my teeth.
To barely get by or make it
The new video game cost an arm and a leg.
Expensive
Today was the first day of school. My mom said, “break a leg!”
Good luck
I've never been on a skateboard before, but I'm going to give it a whirl!
To try something
Don't let the cat out of the bag about the party on Saturday.
Tell a secret