ils ne l'ont pas

they didn't

→ il
phrase Rare #34,445
they didn't A negative past-tense structure meaning “they didn’t …”; l’ is an object pronoun meaning “it” or “him/her,” and the following past participle completes the meaning, as in ils ne l’ont pas vu (“they didn’t see it/him/her”).
FR: Ils ne l'ont pas compris.
EN: They didn't understand it.

Ils ne l'ont pas eu, mais les chiens peuvent tuer les loups.

They didn't get it, but dogs can kill wolves.

— M le maudit (1931)

Ils ne l'ont pas fait.

They didn't.

— À l'ouest rien de nouveau (2022)

Ils ne l'ont pas dit à la télé.

They didn't say it on TV.

— Article 15 (2019)

Peut-être qu'ils ne l'ont pas fait.

Maybe they didn't.

Ils ne l'ont pas trouvé.

They didn't find it.

Ils ne l'ont pas dit.

They didn't say it.

— Oppenheimer (2023)

Mais ils ne l'ont pas fait.

But they didn't.

Ils ne l'ont pas vu.

They didn't see it.