the joke
He didn't understand the joke.
C'était la blague favorite de mon père.
It was my father’s favorite joke.
— Gramps Is in the Resistance (1983)
Il ne comprenait pas du tout la blague.
He didn’t understand the joke at all.
Il lui a fallu un temps fou pour piger la blague.
It took him ages to get the joke.
Il a intégré la blague à son répertoire.
He incorporated the joke into his repertoire.
Tu pousses la blague trop loin.
You're taking the joke too far.