I know what
I already know what he's going to say.
Yo tampoco sé qué significan, pero informaré a la policía.
I don't know what they mean either, but I'll inform the police.
— Suspiria (1977)
Cuando una niña se pone a llorar, nunca sé qué decir.
When a little girl starts to cry, I never know what to say.
I know what you're thinking.