Yeah. She has the clock. It means that whenever it says something nerve-wracking, she paces up and down and drops her tea cup.

I dunno what they'd do, but it sure seems that a Portkey would be a better way out of Hogwarts than someone Apparating to Hogsmeade and running up here to find us, cause then we'd have to run back out before we could get away. I figure we'd be six kinds of dead before that worked.

Or, y'know. Already in MLE's interrogation rooms.