1. It merits special attention.
2. Will there be a recurrence?
3. Don't be alarmed.
4. The heckler was out on his ear.
5. Reputation passes by word of mouth.
6. The situation is very fluid.
7. More power to you!
8. I did it by some sleight of hand.
9. I'm sorry to subject you to this trouble.
10. To our abiding friendship!