tu lui diras

you'll tell him/her

→ tu
phrase Uncommon #15,027
you'll tell him/her “Lui” can refer to a man or a woman; the person’s gender is clear from context.
FR: Tu lui diras la vérité demain.
EN: You'll tell him the truth tomorrow.

Tu lui diras où tu as mal.

You’ll tell him where it hurts.

Tu lui diras que je suis parti.

Tell them I’ve left.

— Nos années sauvages (1990)

Tu lui diras toi-même.

You will tell him yourself.

Tu lui diras que je pense à elle.

Tell her I'm thinking of her.

— Les Invasions barbares (2003)

J'ai rien à promettre, tu lui diras ce que tu voudras.

I have nothing to promise; tell him whatever you want.

— Tout sur ma mère (1999)

Qu'il commence par t'épouser, tu lui diras après.

Let him marry you first; then you can tell him.

— Moscou ne croit pas aux larmes (1980)

Tu lui diras pourquoi ?

Will you tell him why?

Tu lui diras ?

Will you tell him?

Tu lui diras ton admiration plus tard.

You can tell him how much you admire him later.

— Le Pianiste (2002)

Mais tu lui diras toi-même.

But you'll tell him yourself.

— Piège de cristal (1988)

Qu'est-ce que tu lui diras ?

What will you tell him?

Tu lui diras mon affection.

Tell him how much I love him.

— Guerre et Paix (1968)