The answers to the clues below will have something in common.

1. Mime's motto
2. Listen carefully
3. Surgical removal of fat
4. Parent's response to backtalk, perhaps
5. Flowers growing between your nose and chin

Answers:

1. "My lips are sealed."
2. Read my lips
3. Liposuction
4. "Don't give me any lip."
5. Tulips