vs 

QUICK ANSWER
"No puedo" is a phrase which is often translated as "I can't", and "lo siento" is a phrase which is often translated as "I'm sorry". Learn more about the difference between "no puedo" and "lo siento" below.
no puedo(
noh
 
pweh
-
doh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I can't
Lo siento, pero no puedo ayudarte con ese problema.I'm sorry, but I can't help you with that problem.
b. I cannot
No puedo esperar hasta irme de vacaciones este verano.I cannot wait to go on vacation this summer.
Copyright © 2025 Dictionary Media Group, Inc.
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.
Copyright © 2025 Dictionary Media Group, Inc.