Your sister doubts me. Over the years I've played my part well, so well I've deceived one of the greatest wizards of all time.

Your sister doubts me. Over the years I've played my part well, so well I've deceived one of the greatest wizards of all time.

你姐姐怀疑我。这么多年来，我演得很好，我欺骗了有史以来最伟大的巫师之一。

-- Severus Snape 西弗勒斯·斯内普