here are some idioms plz tell me there meanings and an example....?

Look like the cat that swallowed the canary.
2. Set the cat among the pigeons.
3. Like a cat on hot bricks.
4. Never look a gift horse in the mouth
5. Put the cart before the horse.
6. Hold your horses.
7. Bats in the belfry.
8. Nobody's poodle
9. Beaver away
10. Like a phoenix from the ashes