no entiendo por qué

I don't understand why

→ no
phrase Common #9,107
I don't understand why Used to express confusion or lack of understanding about a reason or situation. The phrase por qué is written as two words when it means “why” in a question or indirect question.
SP: No entiendo por qué estás tan preocupado.
EN: I don't understand why you're so worried.

No entiendo por qué Cristo vas allí.

I don't understand why Christ goes there.

— El viento que agita la cebada (2006)

No entiendo por qué Tom mentiría sobre algo tan insignificante.

I don't understand why Tom would lie about something so insignificant.

Simplemente no entiendo por qué limpias casas ajenas.

I simply don’t understand why you clean other people’s houses.

— La asistenta (2025)

No entiendo por qué lo odio.

I don't understand why I hate him.

No entiendo por qué no ha dicho la verdad.

I don't understand why he/she hasn't told the truth.

No entiendo por qué pasó.

I don't understand why it happened.

No entiendo por qué Mary se enfadó conmigo.

I don't understand why Mary got mad at me.

No entiendo por qué cambiaste de opinión.

I don't understand why you changed your mind.

No entiendo por qué la queréis.

I don’t understand why you want her.

No entiendo por qué lo quiere usted.

I don’t understand why you want it.

Hoy estoy raro y no entiendo por qué.

I feel strange today, and I don't know why.

No entiendo por qué no quiere ayudarnos.

I don't understand why he doesn't want to help us.

No entiendo por qué te haces esto.

I don't understand why you do this to yourself.

— Control (2007)

Nada más no entiendo por qué la gente querría vivir aquí.

I just don't understand why anyone would want to live here.

No entiendo por qué Alemania ganó Eurovisión.

I don't understand why Germany won Eurovision.

No entiendo por qué Tom dejaría su paraguas en el auto.

I don't understand why Tom would leave his umbrella in the car.

No entiendo por qué eres tan crítico con él.

I don’t understand why you’re so critical of him.

No entiendo por qué no dijo la verdad.

I don't understand why he/she didn't tell the truth.

No entiendo por qué nos estás haciendo esto.

I don't understand why you're doing this to us.

— El profesional (Léon) (1994)

No entiendo por qué John rechazó un trabajo tan bueno como ese.

I don't understand why John turned down such a good job.

No entiendo por qué alguien haría eso.

I don’t understand why anyone would do that.

No entiendo por qué hizo eso.

I don't understand why he did that.

No entiendo por qué lo queréis.

I don't understand why you want it.

No entiendo por qué no le gusto a Tom.

I don't understand why Tom doesn't like me.

No entiendo por qué.

I don't understand why.

— Такси-блюз (1990)

Pero, eh, no entiendo por qué, si te echaron, ¿por qué te enviaron?

But, uh, I don’t understand why—if they fired you, why did they send you?

— The Internship (2026)

No entiendo por qué ella ya no me quiere.

I don't understand why she doesn't love me anymore.

No entiendo por qué las chicas no son todas lesbianas.

I don't understand why girls aren't all lesbians.

No entiendo por qué mis hijos están lejos.

I don't understand why my children are far away.

— Casi famosos (2000)

No entiendo por qué no quieres ayudarnos.

I don't understand why you don't want to help us.

No entiendo por qué tengo que ir a tu casa a la medianoche.

I don't understand why I have to go to your house at midnight.

phrase Rare #28,563
I don't understand why
SP: No entiendo por qué llegaste tan tarde.
EN: I don't understand why you arrived so late.

No entiendo por qué estás sorprendido.

I don't understand why you're surprised.

— El agente secreto (2025)

No entiendo por qué tu padre no habla contigo.

I don't understand why your father doesn't talk to you.

— Una segunda madre (2015)

Francamente, no entiendo por qué tanto escándalo.

Frankly, I don't understand what all the fuss is about.

— Jojo Rabbit (2019)

Además, no entiendo por qué quieres trabajar después de casarte.

Also, I don't understand why you want to work after getting married.

— स्वदेस (2004)

No entiendo por qué lo ha hecho.

I don't understand why he did it.

— Suspiria (1977)

No entiendo por qué tenías que traer tantos libros, Ofelia.

I don't understand why you had to bring so many books, Ofelia.

— El laberinto del fauno (2006)

Eso hago así que no entiendo por qué no estamos celebrando.

That's what I do, so I don't understand why we're not celebrating.

— La ciudad de las estrellas (La La Land) (2016)

No entiendo por qué tanto alboroto.

I don't understand what all the fuss is about.

— Titanic (1997)

No entiendo por qué Mohan quiere llevarte para América.

I don't understand why Mohan wants to take you to America.

— स्वदेस (2004)

Perdone, señora, pero no entiendo por qué de repente es tan poco amistosa.

Excuse me, ma'am, but I don't understand why you're suddenly so unfriendly.

— Funny Games (1997)