a flea in the ear的用法和样例：
- He burst into our meeting and got sent away with a flea in his ear.
- He burst into our meeting and get send away with a flea in his ear.
- I'll put a flea in his ear if he bothers me once more.
- Don't blame me if you come back with a flea in your ear!
- I bought some old78-rpm records at a flea market in the village hall.
- A vibrating membrane in the ear helps to convey sounds to the brain.