Spanish phrase
Me arrepiento mucho.
Meaning
I regret it deeply.
When to use it
Shows deep remorse for something done previously. Used when apologizing or acknowledging a mistake to express sincere regret.
Example dialogue
Me arrepiento mucho de lo que dije anoche.
I deeply regret what I said last night.
No te preocupes, todos cometemos errores.
Don't worry, everyone makes mistakes.