grit one's teeth
idiomPart oftooth
grit one's teeth — idiom
1. to press your teeth together tightly; to decide to continue doing something diff
1.idiom
Definition
to press your teeth together tightly; to decide to continue doing something difficult or unpleasant with determination.
Example
Amira gritted her teeth and kept running despite the sharp pain in her knee.
The team gritted their teeth and worked through the weekend to meet the deadline.