Harry was hauled to the front of the class during their very next defence against the dark arts lesson , this time acting werewolf . if he hadn ` t had a very good reason for keeping lockhart in a good mood , he would have refused to do it 这一节黑魔法防御课,哈利又被拖到前面去了,这次是扮演一个狼人.哈利本来是不想合作的,但是有一个很重要的原因,必须让洛哈特保持心情愉快
Those that have been seen in canon to be used in this manner are the fireplaces in the the gryffindor common room ( gf , op ) , the dada professor ' s office ( pa , op ) , and the potions master ' s office ( pa14 ) 就那些已被看到照此方法使用过的壁炉有：格兰芬多公共休息室（火焰杯，凤凰社) ，黑魔法防御课教师办公室（阿兹卡班的囚徒，凤凰社）和魔药课教师办公室（阿兹卡班的囚徒第14章） 。
When professor umbridge refused to allow her students to actually perform any magic but merely to read the theory behind it , hermione came up with the idea of harry teaching defense against the dark arts to a group of willing students outside of class 当乌姆里奇拒绝让学生实践魔法而只是让他们阅读书中理论时，赫敏有了个想法，那就是由哈利在课外向一些自愿学习的学生教授黑魔法防御术。
