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"No sé" is a phrase which is often translated as "I don't know", and "no lo sé" is a phrase which is also often translated as "I don't know". Learn more about the difference between "no sé" and "no lo sé" below.
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no lo sé(
noh
loh
seh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. I don't know
Pierdes el tiempo preguntándome a mí. Ya te dije que no lo sé.You are wasting your time asking me. I already told you I don't know.
