Serrer (en. To squeeze)
[seʁe]
Slang Meanings
To squeeze hard in a stressful situation.
When I got the exam, I really had to grit my teeth.
Quand j'ai reçu l'examen, j'ai dû vraiment serrer les dents.
To tighten ranks.
We need to tighten ranks during difficult times.
On doit serrer les rangs en période difficile.