Malfoy makes an impatient sound. "What part of the current situation are you not comprehending? I need that mighty brain of yours to start working again, Granger, because everyone will know what has happened when these three don’t return. Everyone is going to know someone has been  compromised  since there’s not a chance in hell you could have killed all three of them—" Hermione’s mouth drops in protest "—all because you couldn’t listen to a damn thing I was saying—because you couldn’t realize that you can’t just jab an elbow to win a fucking fight against one of them." 