to crack (one’s knuckles), to give in, to crack
Arrête de faire craquer tes doigts.
Stop cracking your knuckles.
Il finira par craquer et son rythme alpha passera de ça à ca.
He’ll eventually crack, and his alpha rhythm will go from this to that.
— Matrix (1999)
Je pense que j'ai entendu craquer.
I think I heard a crack.