si vas a

if you're going to

→ si
phrase Common #8,806
if you're going to Used before an infinitive to talk about a future action or intention.
SP: Si vas a salir, llévate una chaqueta.
EN: If you're going to go out, take a jacket with you.

Si vas a llorar, llora en silencio.

If you're going to cry, cry silently.

— Aún estoy aquí (2024)

Si vas a cancelar otra vez, ¿por qué no llamas tú?

If you're going to cancel again, why don't you call yourself?

— Song Sung Blue - Canción para dos (2025)

Mátame si vas a hacerlo.

Kill me if you're going to do it.

— Mike y Nick y Nick y Alice (2026)

Si vas a disculparte, cuanto antes lo hagas, mejor.

If you're going to apologize, the sooner you do it, the better.

Si vas a recibir a muchos invitados, debes tener mucho qué preparar.

If you're expecting a lot of guests, you'll need to have a lot to prepare.

— Burning (2018)

Si vas a actuar como un idiota, entonces serás tratado como tal.

If you're going to act like an idiot, then you'll be treated like one.

Si vas a comer helado, toma este, es el nuestro.

If you're going to eat ice cream, take this one, it's ours.

— Una segunda madre (2015)

Si vas a volar, hazlo ahora.

If you're going to fly, do it now.

— Nausicaä del valle del viento (1984)

Si vas a dar una fiesta, cuenta conmigo por favor.

If you're throwing a party, please count me in.

Si vas a hacerlo, hazlo bien.

If you're going to do it, do it right.

Si vas a dudar de todo, al menos duda de tus propias dudas.

If you're going to doubt everything, at least doubt your own doubts.

Si vas a salir, ¿puedes pasar al supermercado?

If you're going out, could you stop by the supermarket?

Si vas a actuar de esa manera yo me voy.

If you're going to act that way, I'm leaving.

Yo tendré que despedirte si vas a llegar tarde tan a menudo.

I'll have to fire you if you're going to be late so often.

Si vas a esconder tu cuerpo, deberías esconder tu caca.

If you're going to hide your body, you should hide your poop.

— Burning (2018)