Ants in your pants!
Uncomfortable
Comfortable
Penny for your thoughts.
Ask what someone is saying.
Ask what someone is thinking.
Under the weather.
Feeling sick.
Feeling good.
On Cloud 9
To be very sad/angry.
To be very happy/excited.
Cost an arm and a leg.
To be very expensive.
To be expensive.
Let the cat out of the bag!
Reveal a secret.
Keep a secret.
In the nick of time.
Just in time, the last moment.
The name of time.
Bite off more than you can chew.
To do too much work.
To do very little work.
Icing on the cake.
Make something worse.
Make something better.
Break The Ice.
Start a conversation.
End a conversation.
Hit the nail on the head.
To solve a problem.
To make a problem.
Bite the bullet.
To be brave.
To run away.
Spill the beans.
To tell a secret.
To keep a secret.
In hot water.
To be fine.
To be in trouble.
Shake a leg!
Hurry up!
Slow down!
A fish out of water.
To feel very good.
To feel uncomfortable.
It's raining cats and dogs.
Light rain.
Heavy rain.
The 800 pound gorilla
The weakest person in a situation.
The strongest person in a situation.
A piece of cake.
Very difficult.
Very easy.
Time flies.
Time passes quickly.
Time passes slowly.