debes saber

you must know

→ deber

phrase Common #3,024

you must know Used to say that someone needs to know something or ought to be aware of it. It can be followed by que, cómo, or another infinitive.

SP: Debes saber que siempre puedes pedir ayuda.

EN: You should know that you can always ask for help.

Pero hay algo que debes saber.

But there is something you should know.

Debes saber que cada tres personas en Estados Unidos tienen el mismo problema.

You should know that one in three people in the United States have the same problem.

— Piku (2015)

Hay algo que debes saber.

There's something you should know.

Tú debes saber, Capitán, de dónde viene este bello fusil.

You must know, Captain, where this beautiful rifle comes from.

— Funny Games (1997)

Debes saber a qué me refiero.

You must know what I mean.

— Song Sung Blue - Canción para dos (2025)

Debes saber que yo ronco.

You should know that I snore.

Algo que debes saber sobre mí es que estoy profundamente en deuda.

Something you should know about me is that I’m deeply in debt.

Debes saber perdonar para ser feliz.

You must know how to forgive in order to be happy.

Empecemos mi lista de cosas que debes saber.

Let's start my list of things you should know.

Hay algo que debes saber de tu padre.

There is something you should know about your father.

Debes saber todo lo que hizo el médico.

You should know everything the doctor did.

— Piku (2015)

Hay más de mi que debes saber.

There's more about me you should know.

Hay cosas que debes saber.

There are things you should know.

— Five Nights at Freddy's 2 (2025)

Y debes saber que yo voy a seguir tratando de que estés siempre saludable.

And you should know that I will keep trying to ensure you are always healthy.

— A primera vista (2014)

Tú debes saber mucho de computación.

You must know a lot about computers.

— Masaan (2015)

Debes saber que casi matas a tu hermano.

You should know that you almost killed your brother.

— Avatar: El sentido del agua (2022)

Solo debes saber que tenemos un aliado allí.

You just need to know that we have an ally there.

— El agente secreto (2025)

No sólo debes saber decir las palabras, también debes saber tocar al oponente.

You must not only know how to say the words, but also how to touch the opponent.

— Ip Man (2008)

Debes saber eso si quieres entrar en la música.

You should know that if you want to get into music.