I didn't understand

je n’ai pas compris

→ i
phrase Uncommon #8,171
je n’ai pas compris Forme négative au passé de « understand » ; « didn't » est la contraction de « did not ».
EN: I didn't understand what they were saying.
FR: Je n’ai pas compris ce qu’ils disaient.

I didn't understand over the phone.

Je n’ai pas compris au téléphone.

— All About My Mother (1999)

I didn't understand.

Je n'ai pas compris.

— Field of Dreams (1989)

Someone said something, but I didn't understand what it was.

Quelqu’un a dit quelque chose, mais je n’ai pas compris ce que c’était.

I didn't understand that last sentence.

Je n’ai pas compris cette dernière phrase.

Then they told me to shut up because I didn't understand the debate, so I left.

Ensuite, ils m’ont dit de la fermer parce que je ne comprenais rien au débat, alors je suis parti(e).

— Wild Strawberries (1957)

I didn't understand that joke.

Je n’ai pas compris cette blague.

I didn't understand what they were saying.

Je n’ai pas compris ce qu’ils disaient.

I didn't understand your explanation.

Je n’ai pas compris ton explication.

I didn't understand that.

Je n’ai pas compris.

At first I didn't understand what it was.

Au début, je ne comprenais pas ce que c’était.

— Anatomy of a Fall (2023)

I didn't understand the meaning of the last line but one.

Je n’ai pas compris le sens de l’avant-dernière ligne.

I didn't understand the joke.

Je n’ai pas compris la blague.

I didn't understand what it meant.

Je n’ai pas compris ce que cela voulait dire.

I didn't understand her at first.

Je ne l’ai pas comprise au début.

Tom said something in French that I didn't understand.

Tom a dit quelque chose en français que je n’ai pas compris.

I didn't understand it, but I've done it.

Je n’ai pas compris, mais je l’ai fait.

— Field of Dreams (1989)

She said I didn't understand her.

Elle a dit que je ne la comprenais pas.

— Chungking Express (1994)

I didn't understand this joke.

Je n’ai pas compris cette blague.

I didn't understand the second-to-the-last line.

Je n’ai pas compris l’avant-dernière ligne.

I didn't understand it.

Je n'ai pas compris.

I didn't understand Tom's explanation.

Je n’ai pas compris l’explication de Tom.

I didn't understand the meaning.

Je n’ai pas compris le sens.

I didn't understand because they spoke in a low voice.

Je n’ai pas compris parce qu’ils parlaient à voix basse.

I didn't understand at all.

Je n’ai absolument rien compris.

She came to me and said something that I didn't understand at all.

Elle est venue me voir et m’a dit quelque chose que je n’ai absolument pas compris.

I didn't understand the question.

Je n’ai pas compris la question.

I tried his essays, but I didn't understand.

J’ai essayé de lire ses essais, mais je n’ai pas compris.

— Blue Is the Warmest Color (2013)

I didn't understand any of that.

Je n’ai rien compris à tout ça.

I didn't understand a thing.

Je n’ai rien compris.

I didn't understand how close I had been to dying until later.

Ce n’est que plus tard que j’ai compris à quel point j’avais frôlé la mort.

I didn't understand everything, but I got the feelings.

Je n’ai pas tout compris, mais j’en ai saisi les émotions.

— The Chorus (2004)

I didn't understand what the teacher said.

Je n’ai pas compris ce que le professeur a dit.

I didn't understand a single word.

Je n’ai pas compris un seul mot.

I didn't understand what she told me.

Je n’ai pas compris ce qu’elle m’a dit.

I didn't understand your question.

Je n’ai pas compris votre question.

I didn't understand what you said.

Je n’ai pas compris ce que tu as dit.

A person came whose language I didn't understand.

Une personne est venue dont je ne comprenais pas la langue.

I didn't understand anything.

Je n’ai rien compris.

I didn't understand anything, either.

Moi non plus, je n’ai rien compris.

At the start I didn't understand what he was saying.

Au début, je ne comprenais pas ce qu’il disait.

At first I didn't understand, that this is the way things are meant to be.

Au début, je ne comprenais pas que les choses étaient censées être ainsi.

— 8½ (1963)

I didn't understand at first.

Je n’ai pas compris au début.

I didn't understand you nearly well enough.

Je ne vous ai pas compris(e) suffisamment bien, loin de là.

— A Silent Voice: The Movie (2016)

But I didn't understand.

Mais je n’ai pas compris.

— Blue Is the Warmest Color (2013)

I'm sorry, I didn't understand what they said.

Je suis désolé(e), je n’ai pas compris ce qu’ils ont dit.

I didn't understand what they had said.

Je n’ai pas compris ce qu’ils avaient dit.