eu te contarei

I will tell you

→ eu
phrase Uncommon #15,421
I will tell you Uses the simple future of contar (contarei) with te, meaning “you” as the person being told. Te is generally informal singular; in Brazilian Portuguese, você is commonly used for “you.”
PO: Eu te contarei tudo quando chegarmos em casa.
EN: I will tell you everything when we get home.

Eu te contarei quando voltar.

I’ll tell you when I get back.

Eu te contarei se isso acontecer.

I'll tell you if that happens.

Depois eu te contarei.

I'll tell you later.

Eu te contarei depois.

I'll tell you later.

Assim que ele retornar, eu te contarei.

As soon as he returns, I'll tell you.

Eu te contarei um segredo que mudará a tua vida.

I’ll tell you a secret that will change your life.

Eu te contarei isso algum dia.

I’ll tell you that someday.