responder a

to answer

→ responder
phrase Common #4,024
to answer Spanish uses a before the question or person being answered; English often leaves out “to.”
SP: Voy a responder a tu mensaje esta tarde.
EN: I’m going to answer your message this afternoon.

Debes responder a estas preguntas.

You must answer these questions.

No sé cómo responder a eso porque nunca he perdido.

I don't know how to answer that because I've never lost.

— La Máquina: The Smashing Machine (2025)

Me pregunto si debería responder a su carta.

I wonder if I should reply to his letter.

¿Puedes responder a ello?

Can you answer that?

Quiero responder a tu carta.

I want to reply to your letter.

Lo siento, tengo que responder a los mensajes.

Sorry, I have to reply to the messages.

No voy a responder a eso.

I'm not going to answer that.

— Gangs of Wasseypur I (2012)

No puedo responder a eso.

I can't answer that.

— Anatomía de una Caída (2023)

Yo no sabía cómo responder a su pregunta.

I didn't know how to answer his question.

No tienes que responder a eso.

You don't have to answer that.

No sé cómo responder a eso.

I don't know how to respond to that.

Tienes que responder a esta carta.

You have to reply to this letter.

Debo responder a los accionistas.

I have to answer to the shareholders.

Puedo responder a su pregunta.

I can answer your question.

No voy a responder a más preguntas.

I’m not going to answer any more questions.

No es necesario responder a esa carta.

There is no need to reply to that letter.

No quiero responder a su carta.

I don't want to answer your letter.

Tommy no pudo responder a la última pregunta.

Tommy couldn't answer the last question.

No sé cómo responder a su pregunta.

I don’t know how to answer your question.

— Ángeles caídos (1995)

No sé qué responder a eso.

I don't know how to answer that.

¿Puedes responder a esto?

Can you answer this?

Tienes que responder a estas preguntas.

You have to answer these questions.

Lo único que hago es responder a la demanda.

All I do is respond to the demand.

Lo que tienes que hacer es sentarte aquí y responder a las preguntas del médico.

What you have to do is sit here and answer the doctor's questions.