vs 

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"No comprendo" is a phrase which is often translated as "I don't understand", and "lo siento" is a phrase which is often translated as "I'm sorry". Learn more about the difference between "no comprendo" and "lo siento" below.
no comprendo(
noh
 
kohm
-
prehn
-
doh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I don't understand
No comprendo. ¿Qué quieres decir con eso de que eres ciego pero puedes ver muchas cosas?I don't understand. What do you mean by saying that you're blind but you can see many things?
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lo siento(
loh
 
syehn
-
toh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I'm sorry
Rompí tu ordenador. Lo siento.I broke your computer. I'm sorry.
a. I'm sorry
Me enteré del fallecimiento de tu padre. Lo siento.I heard about the death of your father. I'm sorry.
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