They had never had a practical Defense Against the Dark Arts class before, unless you counted the memorable class last year when their old teacher had brought a cageful of pixies to class and set them loose.

他们还从来没有上过黑魔法防御术的实践课，除非把去年那可纪念的一课也算在里边，那堂课上，原来的教师带来了一笼子小妖精，而且把它们都放了出来。