Spanish phrase
Perdón, no cumplí mi promesa.
Meaning
Sorry, I didn't keep my promise.
When to use it
It means that someone is sorry for breaking a promise. It often shows regret after failing to do what was promised.
Example dialogue
¿Les dijiste a todos nuestro secreto?
Did you tell everyone our secret?
Perdón, no cumplí mi promesa. Se lo conté a todos.
Sorry, I didn't keep my promise. I told everyone.