Idioms
Robert was nervous about singing in the school concert, but he looked as cool as a cucumber. What does "cool as a cucumber" mean?
Not nervous; relaxed
When we got home from school we pigged out on pizza! What does it mean to "pig out?"
To eat a lot
We're already in enough trouble. Don't add fuel to the fire by lying. What does "add fuel to the fire" mean?
To add more to an existing problem; to make an existing problem worse