grit your teeth

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

cerrar os dentes, aguentar firme

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.
Eu tive que apenas cerrar os dentes e passar pelos últimos quilômetros da maratona.
She didn't like the job, but she decided to grit her teeth and finish it.
Ela não gostava do trabalho, mas decidiu cerrar os dentes e terminá-lo.