no debiste

you shouldn't have

→ no
phrase Uncommon #17,174
you shouldn't have Expresses that someone should not have done something. It is followed by an infinitive, sometimes with haber before it.
SP: No debiste dejar las llaves aquí.
EN: You shouldn't have left the keys here.

No debiste haber ido a un lugar tan peligroso.

You shouldn't have gone to such a dangerous place.

No debiste hacerlo sin preguntarme primero.

You shouldn't have done it without asking me first.

No debiste escribir eso.

You shouldn't have written that.

No debiste haber vuelto.

You shouldn't have come back.

No debiste decir eso.

You shouldn't have said that.

— Rebeca (1940)

No debiste haber tomado prestado el auto de Tom.

You shouldn't have borrowed Tom's car.

Tú no debiste decirlo.

You shouldn't have said it.

No debiste cambiar de nombre.

You shouldn't have changed your name.

— Cinema Paradiso (1988)

No debiste ir.

You shouldn't have gone.

— Volver (2006)

Mucha gente te va a decir que no debiste haber hecho eso.

A lot of people are going to tell you that you shouldn’t have done that.

No debiste haberlo puesto en un ventilador.

You shouldn't have put it in a fan.

— पीकू (2015)

No debiste dejarlo.

You shouldn't have left him.

— Bacurau (2019)

No debiste haber trabajado para la Emperatriz.

You shouldn't have worked for the Empress.

— La maldición de la flor dorada (2006)

No debiste casarte, hay otras alternativas.

You shouldn't have gotten married, there are other alternatives.

— Contra la pared (2004)

No debiste haber nacido.

You shouldn't have been born.

— El sonido de la muerte (2026)

Ya te dije que no debiste dejarla entrar.

I already told you that you shouldn’t have let her in.

— 8½ (1963)

No debiste matar a la otra chica.

You shouldn't have killed the other girl.

— Las flores de la guerra (2011)

No debiste haber gastado tanto dinero en tu pasatiempo.

You shouldn't have spent so much money on your hobby.

No debiste haberme abandonado.

You shouldn't have abandoned me.

No debiste enseñarme a nadar.

You shouldn't have taught me to swim.

— Chainsaw Man – La película: Arco de Reze (2025)

No debiste haber vivido con tanta intensidad.

You shouldn't have lived with such intensity.

— La única opción (2025)

No debiste de haber regresado.

You shouldn't have come back.

— La Casa de los Cuchillos (2004)

Creo que no debiste expresar tus puntos de vista así.

I don't think you should have expressed your views that way.

— स्वदेस (2004)

No debiste meterte conmigo.

You shouldn't have messed with me.

— Lindas y Letales (2026)