I was wrong
Debo admitir que me equivoqué.
I must admit I was wrong.
O bien, de todos modos, pensé que tal vez me equivoqué.
Or else—in any case—I thought that perhaps I was mistaken.
— Moonrise Kingdom (2012)
Bien, Coronel Julian, al parecer me equivoqué con el otro cadáver.
Well, Colonel Julian, it seems I made a mistake with the other corpse.
— Rebeca (1940)
Me equivoqué sobre Tom.
I was wrong about Tom.
I made a mistake in my answer.