must know
Dígame todo lo que debo saber.
Tell me everything I need to know.
But I need to know something about him.
— La doble vida de Verónica (1991)
Debo saber hasta dónde alcanzará el dinero.
I must know how far the money will go.
There's something I need to know.
I must know.
Debo saber de donde provienen estas citas.
I need to know where these quotes come from.