was wrong
I think I was mistaken.
Tom não estava enganado, estava?
Tom wasn’t mistaken, was he?
Eu estava enganado a seu respeito.
I was wrong about you.
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!
Eu estava enganado em mentir para você.
I was wrong to lie to you.
Tom admitiu que estava enganado.
Tom admitted that he was wrong.