I realized
Cuando me di cuenta, estábamos afuera.
Before I knew it, we were outside.
Pero me di cuenta entonces que no le tenía miedo a nada.
But then I realized that I wasn't afraid of anything.
— Malcolm X (1992)
I realized it too late.
Only then did I realize.
Me di cuenta tarde de que había cometido un error grave en el cálculo final.
I realized too late that I had made a serious mistake in the final calculation.
I'm telling you what I realized.
I only realized it yesterday.