‘He's just made that rule up,’ Harry muttered angrily as Snape limped away. ‘Wonder what's wrong with his leg?’
‘Dunno, but I hope it's really hurting him,’ said Ron bitterly” (Rowling, 1997: 181-182).
《哈利·波特》中西弗勒斯·斯内普的多重性格及悲惨命运解析(3):http://www.751com.cn/yingyu/lunwen_75947.html