We had to go inside, it was raining cats and dogs.
It was raining really hard.
Break a leg!
Good luck
I know the test is hard. Hang in there!
Keep going! You can do it!
Stop pulling my leg!
Stop joking with me.
She has butterflies in her stomach.
She's nervous
She hit the nail on the head!
She did it perfectly! (She nailed it!)
He has his head in the clouds
He's not paying attention
The test was a piece of cake.
It was super easy.
The student is busy as a bee
working really hard
He's really on the ball!
He's focused