| A | B |
| She put a bug in his ear. | She made a suggestion. |
| He can be ready at the drop of a hat. | He can be ready at any time. |
| The four of them sat around chewing the fat. | They sat around gossiping. |
| He's a wolf in sheep's clothing. | He seems nice, but he isn't. |
| She was all ears. | She was listening carefully. |
| Don't make a mountain out of a molehill. | Don't make a big problem out of a small one. |
| She is second to none in chorus. | No one sings better than her. |
| That boy is a chip off the old block. | He is just like his father. |