no sé quién es

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500+ learners.
no sé quién es(
noh
 
seh
 
kyehn
 
ehs
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I don't know who he is (masculine)
¿Quién es ese hombre de allí? - No sé quién es. ¿Un amigo de papá quizá?Who's that man over there? - I don't know who he is. A friend of dad's maybe?
b. I don't know who she is (feminine)
¿Marta Pérez? No, no sé quién es.Marta Perez? No, I don't know who she is.
c.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
No sé quién es Laura. - Sí, sí que lo sabes, es la esposa de Óscar.I don't know who Laura is. - Yes, yo do. She's Oscar's wife.
No sé quién es el Primer Ministro. - ¿Lo dices en serio?I don't know who the Prime Minister is. - Are you serious?
2.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(second person singular)
a. I don't know who you are
¡Claro que no me subiré a su coche! No sé quién es.Of course I won't get in your car! I don't know who you are.
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