my mistake
I have acknowledged my mistake.
Mi error o pecado, llámalo como quieras, pero perdóname, Parvati.
My mistake or sin—call it what you will—but forgive me, Parvati.
— Devdas (2002)
Don't laugh at my mistake.
I think it's my mistake.
It is my unforgivable mistake.
— La ironía del destino, o goce de su baño (1976)