it was all my fault
Você sabe que foi tudo culpa minha.
You know it was all my fault.
— Oldboy (2003)
Rani, sei que foi tudo culpa minha.
Rani, I know it was all my fault.
— Queen (2014)
Foi tudo culpa minha.
It was all my fault.
Diga a Tom que foi tudo culpa minha.
Tell Tom it was all my fault.