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"Lo siento" is a phrase which is often translated as "I'm sorry", and "no sé" is a phrase which is often translated as "I don't know". Learn more about the difference between "lo siento" and "no sé" below.
lo siento()
A phrase is a group of words commonly used together (e.g., once upon a time).
a. I'm sorry
Me enteré del fallecimiento de tu padre. Lo siento.I heard about the death of your father. I'm sorry.
no sé()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
