lo que está diciendo

what he/she is saying

→ lo
phrase Rare #31,973
what he/she is saying Used to refer to something a person is currently saying. The subject of está diciendo is understood from context.
SP: No entiendo lo que está diciendo.
EN: I don't understand what he is saying.

Tom no cree lo que está diciendo Mary.

Tom doesn't believe what Mary is saying.

Lo que está diciendo es muy importante.

What he's saying is very important.

Oh ignora lo que está diciendo.

Oh, he's ignoring what he's saying.

— Piku (2015)

Nada de lo que está diciendo merece atención.

Nothing he’s saying is worth paying attention to.

Está claro que sabe muy bien lo que está diciendo.

It’s clear that he/she knows exactly what he/she is talking about.

— TÁR (2022)

Bueno, ¡él no cree lo que está diciendo!

Well, he doesn't believe what he's saying!

— El hombre de la Tierra (2007)

Anota lo que está diciendo, por favor.

Please write down what he is saying.

Lo que está diciendo no tiene sentido.

What they're saying doesn't make sense.