it's a secret

She doesn't know, it's a secret.

Elle ne le sait pas, c’est un secret.

— Lars and the Real Girl (2007)

It's a secret.

C'est un secret.

— Jean de Florette (1986)

It's a secret, I guess.

C’est un secret, j’imagine.

It's a secret between the boys.

C’est un secret entre les garçons.

— Drive (2011)

It's a secret, you know.

C’est un secret, tu sais.

— Pinocchio (2019)

It's a secret then, squirt.

Alors, c’est un secret, petit.

— The Thief (1997)

It's a secret between you and me.

C’est un secret entre toi et moi.

But it's a secret.

Mais c'est un secret.

— The Thief (1997)

It's a secret I would rather not even have told you.

C’est un secret que j’aurais préféré ne même pas vous révéler.

— Cinema Paradiso (1988)

I can't give it away to you; it's a secret.

Je ne peux pas te le révéler : c’est un secret.