Okay, stop.

[Both literally and figuratively. Weiss stops in place, hovering in air on her glowing circle of energy.]

I was sort of understanding when you didn't know what Dust was, or a rapier, or any of the other stuff I had to explain.

But you don't know what a school is? Did you grow up under a rock?

[She doesn't really mean to come off as insulting. Really, she's more concerned than anything.]