you don't know what
Vater, vergib ihnen; denn sie wissen nicht, was sie tun.
Father, forgive them, for they know not what they do.
Sie wissen nicht, was er mir bedeutet!
You don't know what he means to me!
— Zwei glorreiche Halunken (1966)
Sie wissen nicht, was er mir angetan hat.
You don't know what he did to me.
Sie wissen nicht, was schiefgelaufen ist.
They don't know what went wrong.
Vergib ihnen, denn sie wissen nicht, was sie tun.
Forgive them, for they know not what they do.
Sie wissen nicht, was Sie gerade getan haben.
They don't know what they've just done.
— Edge of Tomorrow (2014)
Sie wissen nicht, was es mir bedeutet, dass Sie meine Nachbarin sind.
You don't know what it means to me that you are my neighbor.
— Picknick (1955)