didn't understand

Tom didn't understand what he was supposed to do.

Tom n’a pas compris ce qu’il était censé faire.

Tom didn't understand Mary's joke.

Tom n’a pas compris la blague de Mary.

Am I the only one who didn't understand what was going on?

Suis-je le seul à ne pas avoir compris ce qui se passait ?

You didn't understand, bitch?

T’as pas compris, connasse ?

— Brother (1997)

I pretended that I didn't understand.

J’ai fait semblant de ne pas comprendre.

Maybe you didn't understand.

Vous n’avez peut-être pas compris.

— Maurie (1973)

I guess you didn't understand me.

Je suppose que vous ne m’avez pas compris.

I think Tom didn't understand the question.

Je pense que Tom n’a pas compris la question.

Pierre didn't understand any of it.

Pierre n’y a rien compris.

I think Tom didn't understand what you were saying.

Je pense que Tom n’a pas compris ce que tu disais.