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"Lo siento" is a phrase which is often translated as "I'm sorry", and "¡Uy!" is an interjection which is often translated as "Oh!". Learn more about the difference between "lo siento" and "¡Uy!" below.
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.
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
