| A | B |
|---|
| Look before you leap. | Think about something before doing it. |
| He's full of hot air. | He boasts a lot. |
| He's got a big head. | He thinks he is great. |
| Hit the road. | Go away! |
| You're in the dog house. | You're in trouble. |
| It goes in one ear and out the other. | The person doesn't remember what you say. |
| Don't spill the beans. | Don't tell. |
| He has a green thumb. | He can make plants grow well. |
| She's making a mountain out of a molehill. | She is making too much of a small thing. |
| I'm all ears. | I'm listening. |
| I've got butterflies in my stomach. | I'm nervous. |
| He has a heart of gold. | He is a good, giving person. |
| Keep it under your hat. | Keep it a secret. |
| Let's put our heads together. | Let's work together. |
| I'm all thumbs. | I'm clumsy. |
| Keep a stiff upper lip. | Have courage. |
| She'll have to pay through the nose. | It will cost her a lot of money. |
| Mom and Dad bring home the bacon. | Mom and Dad make the family's money. |
| We'll work around the clock. | We'll work a long time. |
| Stop beating around the bush. | Get to the point. |
