didn't know what
Tom no sabía qué decirle a Mary.
Tom didn't know what to say to Mary.
Tom no sabía qué le gustaría a Mary.
Tom didn't know what Mary would like.
De repente no sabía qué estaba pasando.
Suddenly I didn't know what was happening.
— La princesa Mononoke (1997)
No sabía qué o por qué quería pintar, buscaba mi estilo.
I didn't know what or why I wanted to paint; I was searching for my style.
— Nicky, la aprendiz de bruja (1989)
Tom no sabía qué más hacer.
Tom didn't know what else to do.
I didn’t know what it meant.
I didn’t know what it was.
I didn’t know what else to say.