grit your teeth

US /ɡrɪt jʊər tiːθ/
UK /ɡrɪt jʊər tiːθ/
"grit your teeth" picture
1.

apretar los dientes, aguantar

to accept a difficult situation and deal with it in a determined way

:
I had to just grit my teeth and get through the last few miles of the marathon.
Tuve que apretar los dientes y superar los últimos kilómetros del maratón.
She didn't like the job, but she decided to grit her teeth and finish it.
No le gustaba el trabajo, pero decidió apretar los dientes y terminarlo.