求翻译：他知识丰富，教学有方，上课生动有趣，经常给学生讲笑话，他的课，没有一个学生在睡觉，因为他的课太有趣了，学生很爱听他的课是什么意思？

His wealth of knowledge, teaching well and interesting classes, students often jokes that his classes without a student to sleep, because his class is so interesting, it is like to hear his class of students

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His knowledge is rich, the teaching in the right way, attends class vividly interesting, frequently tells the joke to the student, his class, a student has not been sleeping, because his class too has been interesting, the student likes listening to his class very much

He knowledgeable, teaching fine class interesting, to students often joke, his classes, no student sleeping, because his lessons very interesting that students love listening to his class

He is knowledgeable, teaching, class lively and interesting, often tell jokes to the students, he of course, none of the students slept because his class is so interesting, students loved listening to his lectures