no sé lo que

I don't know what

→ no
phrase Very common #2,220
I don't know what Used to say that you do not know what something is, was, will be, or might happen. It is usually followed by a verb or clause.
SP: No sé lo que quieres decir.
EN: I don't know what you mean.

No sé lo que fue.

I don't know what it was.

No sé lo que haya visto.

I don't know what he might have seen.

— Algunos hombres buenos (1992)

No sé lo que le gusta a su mujer.

I don't know what your wife likes.

— Deseando amar (2000)

No sé lo que me ocurre.

I don’t know what’s wrong with me.

— La noche americana (1973)

No sé lo que sepa Tom, pero Tom sabe lo que sé yo.

I don't know what Tom knows, but Tom knows what I know.

No sé lo que te va a pasar.

I don’t know what’s going to happen to you.

No sé lo que el mañana pueda traer.

I don't know what tomorrow may bring.

En serio, no sé lo que hay allá arriba.

Seriously, I don't know what's up there.

— El botín (2026)

No sé lo que les espere en el cráter.

I don't know what awaits them in the crater.

— Greenland 2 (2026)

Es decir, no sé lo que él siente por mí.

In other words, I don't know what he feels for me.

— Kal Ho Naa Ho (2003)

No sé lo que ocurrirá.

I don't know what will happen.

No sé lo que es mejor para mí.

I don’t know what’s best for me.

No sé lo que haré tras la Navidad.

I don’t know what I’ll do after Christmas.

No sé lo que intenta decir.

I don't know what he's trying to say.

No sé lo que me está pasando.

I don't know what's happening to me.

— Sólo se vive una vez (2011)

No sé lo que quiero.

I don't know what I want.

No sé lo que te ha pasado.

I don't know what happened to you.

— Kal Ho Naa Ho (2003)

No sé lo que yo estaba pensando.

I don't know what I was thinking.

No sé lo que Tom está tramando.

I don't know what Tom is up to.

No sé lo que estaban leyendo Tomás y María.

I don't know what Tomás and María were reading.

No sé lo que le hacía.

I don't know what he/she was doing to him/her.

— Reservoir Dogs (1992)

No sé lo que me pasa.

I don't know what's wrong with me.

— Una mujer fantástica (2017)

No sé lo que quería.

I don't know what they wanted.

— Una batalla tras otra (2025)

Ya no sé lo que quiero.

I don't know what I want anymore.

No sé lo que tienen.

I don't know what they have.

No sé lo que es eso.

I don't know what that is.

No sé lo que haremos.

I don't know what we'll do.

No sé lo que me espera.

I don't know what awaits me.

No sé lo que vio o escuchó Nihad.

I don't know what Nihad saw or heard.

— Incendies (2010)

No sé lo que es.

I don't know what it is.