Bart has never been able to eat more than half a pizza before. But today, he thinks he can eat a whole one! His eyes are bigger than his stomach.

What is the meaning of "his eyes are bigger than his stomach?"

Some people are really good at fractions, but not me. Fractions go over my head.

What is the meaning of "go over my head?"

Eric wants to get Chinese food. Lindsey wants to get Mexican food. But Marcy is on the fence.

What is the meaning of "on the fence?"

Pablo is about to speak in front of a big group. He's never done it before. So, he has butterflies in his stomach.

What is the meaning of "has butterflies in his stomach?"

I invited Cara to my party, but she still hasn't said if she's coming. She has left me hanging for two weeks!

What is the meaning of "Left me hanging?"

Bart has never been able to eat more than half a pizza before. But today, he thinks he can eat a whole one! His eyes are bigger than his stomach.

What is the meaning of "his eyes are bigger than his stomach?"