| A | B |
| I have ants in my pants. | I can't sit still still. |
| I'm so hungry I could eat a horse. | I am very very hungry. |
| You are the apple of my eye. | You are very special. |
| Break a leg. | Good luck! |
| You got out of the wrong side of the bed this morning. | You are grouchy. |
| Hold your horses!! | Stop! Slow down! |
| Put a sock it in. | Please be quiet! |
| Put on your thinking cap. | Think really hard, and concentrate. |
| It's raining cats and dogs out there! | It's raining hard outside. |
| She waited 'til the cows came home | A very long time. |
| She's feeling under the weather | I don't feel good! |
| Chow down. | Sit down and eat! |
| Copycat | Someone who copies the work of others. |
| Hit the books. | You should begin to study hard. |
| Teacher's pet | The teacher's favorite student. |