no debía

shouldn't

→ no
phrase Uncommon #17,832
shouldn't Depending on context, it can mean “wasn't supposed to.”
SP: No debía decirle la verdad.
EN: I shouldn't have told him the truth.

Sabía que no debía ir a visitarla, pero la fui a ver.

I knew I shouldn’t go visit her, but I went to see her anyway.

Se sentía culpable porque sabía que no debía haber mentido.

He felt guilty because he knew he shouldn’t have lied.

Tom no sabía que no debía creer todo lo que dijo Mary.

Tom didn't know he shouldn't believe everything Mary said.

Vi una que no debía ver.

I saw one I shouldn't have seen.

— Aquarius (2016)

Mi hijo sabía que no debía llevarlo fuera del arrecife.

My son knew he wasn't supposed to take it outside the reef.

— Avatar: El camino del agua (2022)

No debía haber doblado el arbusto.

I shouldn't have bent the bush.

— El espejo (1975)

Tom no debía haber hecho lo que él hizo.

Tom shouldn't have done what he did.

Alguien importante, alguien a quien no debía olvidar.

Someone important, someone I shouldn't forget.

— Tu nombre (2016)

Supongo que no debía ser.

I guess it wasn't meant to be.

— Terror en Silent Hill: Regreso al infierno (2026)

Sabía que no debía sacar el cuchillo porque siempre me lo decías.

I knew I shouldn't take out the knife because you always told me to.

— Sin piedad (2026)

Yan'er no debía haberla hecho enfadar.

Yan'er shouldn't have made her angry.

— La Linterna Roja (1991)

Mary creía que no debía hacerlo.

Mary believed she shouldn't do it.

Mi madre me dijo que no debía desperdiciar el dinero.

My mother told me I shouldn't waste money.

Pero no debía habérmelo dicho.

But he shouldn't have told me.

— Pedro Páramo (2024)

No debía haber sido aquel día.

It shouldn't have been that day.

— Zeta (2026)

Y un momento antes de cerrar los ojos, dijo a tu madre que no debía avisarte.

And just before closing his eyes, he told your mother that she shouldn’t tell you.

— Cinema Paradiso (1988)

Eso no debía pasar.

That shouldn't have happened.

Yo sabía que Tom era quien debía decirle a Mary que ya no debía hacer eso.

I knew that Tom was the one who should tell Mary that she shouldn't do that anymore.

No debía molestarse.

He shouldn't have bothered.

— Nadie sabe (2004)

Mary pensó que no debía hacerlo.

Mary thought she shouldn't do it.

No debía de estar cerca de la costa.

It can’t have been near the coast.

Tom no debía haber hecho esperar tanto a Mary.

Tom shouldn't have kept Mary waiting so long.