[bite] {one's} lip
1
to press one's teeth against the lip as a reaction to emotion, pain, or to prevent oneself from saying something
- She had to bite her lip to prevent herself from saying something hurtful during the argument.
- During the intense negotiation, he bit his lips to avoid showing his frustration.
- The child bit his lip to keep from crying after falling down.
- She bit her lips in anticipation while waiting for the exam results.
- Even though she was nervous, she bit her lip and gave a confident speech.