él sostiene

supports, holds up, claims, maintains

→ sostener
sostien to hold, to support + e third-person singular present (indicative or subjunctive)
verb · third singular · present indicative Rare #29,993
supports, holds up Also used figuratively to mean “supports” (e.g., an argument or a person).
SP: La columna sostiene el techo.
EN: The column supports the roof.
claims, maintains Used to introduce an opinion or statement someone insists is true.
SP: Ella sostiene que no fue un accidente.
EN: She claims it wasn’t an accident.
Conjugation of sostener
Indicative present
SingularPlural
First sostengo —
Second sostienes —
Third sostiene sostienen
Subjunctive present
SingularPlural
First sostengo —
Second sostienes —
Third sostiene sostienen

Eso no se sostiene.

That doesn't hold up.

— Anatomía de una caída (2023)

Te caerás de ahí si cortas la rama que sostiene tu pie.

You’ll fall from there if you cut the branch supporting your foot.

El Diablo siempre sostiene tus párpados.

The Devil always holds your eyelids.

— La bruja (2016)

Incluso sostiene que el gobierno municipal ha violado la ley civil.

He even argues that the municipal government has violated civil law.

— Leviatán (2014)

Tom sostiene que puede leer la mente.

Tom claims that he can read minds.

Ella todavía sostiene su inocencia.

She still maintains her innocence.

Creo que tu teoría no se sostiene.

I don't think your theory holds water.

Lo que sostiene la fuerza.

What sustains strength.

— A Silent Voice (2016)

Cao Cao piensa que sostiene el destino de la Dinastía en sus manos.

Cao Cao believes he holds the fate of the Dynasty in his hands.

— Acantilado rojo (2008)

Entonces, ¿qué las sostiene en el aire?

So what keeps them up in the air?

— Avatar (2009)