Malfoid puts her mouth on one and her fingers on the other and does not stop until Mione is swearing steadily at the ceiling.

MioneYou are going to have to do something else. I cannot — this is not going to be enough and it has been going on for twenty minutes.

MalfoidSay what you want. Not what you think I would like.

It takes her four attempts to say it, and Malfoid makes her say all four, and by the end neither of them is laughing.