To Harry's immense disquiet, Snape's black eyes flicked to the doorways on either side of them, and then to the one-eyed witch.
¡°AAARGH!¡± he yelled, pointing at Harry's head. Then he turned tail and ran, at breakneck speed, back down the hill, Crabbe and Goyle behind him.
¡°Had a good Christmas?¡± he said, and then, without waiting for an answer, he sat down, lowered his voice, and said, ¡°I've been, doing some thinking over Christmas, Harry. After last match, you know. If the Dementors come to the next one¡I mean¡we can't afford you to ¡ª well ¡ª¡±
Black saw Snape up through the hole, then stood back for Harry and Hermione to pass. At last, all of them were out.