was mistaken
I think I was mistaken.
Cheguei a pensar que você seria o amor da minha vida; como estava enganado!
I even thought you would be the love of my life; how wrong I was!
I think I was mistaken.
Eu estava enganado a seu respeito.
I was wrong about you.
Eu estava enganado em mentir para você.
I was wrong to lie to you.
Hoje, eu percebi que estava enganado.
Today, I realized that I was wrong.
— O que o Coração Deseja (2001)
Tom admitiu que estava enganado.
Tom admitted that he was wrong.