raccontarla

to tell it, to tell her

→ raccontare
raccontar to tell, to narrate + la her (object pronoun)
verb · indicative Rare #40,472
to tell it, to tell her Infinitive of "raccontare" with the attached pronoun "la" (meaning "it" for a feminine noun, or "her").
IT: Devo raccontarla a mia sorella.
EN: I have to tell it to my sister.
Conjugation of raccontare

Cristo, vuoi raccontarla tu?

Christ, do you want to tell it?

— Mystic River (2003)

Sei tu che devi ricordare tutto, anche per poi raccontarla a Woo-sung.

You’re the one who has to remember everything—so you can tell Woo-sung about it later, too.

— Le buone stelle - Broker (2022)

Adesso mi sono deciso a raccontarla solo perché voglio salvarlo.

Now I've decided to tell it only because I want to save him.

— La leggenda del pianista sull'oceano (1998)

E a chi vuoi raccontarla?

And who do you want to tell it to?

— Passengers (2016)