Liu Huan is a professor in university of international business and economics, mainly teaching western music history and other courses.
As soon as he arrives at his class, all the students in other classes will stand in the corridor of the classroom except those in his class. He never reads textbooks in his lectures, but when he talks about it, he is comprehensive and interesting. Listening to his class is a pleasure, so the students are willing to stand and listen to the class.
In Liu Huan's lectures, loanwords with names, genres, places and keywords are often interspersed, sometimes in English; Sometimes French; Sometimes it is German; Sometimes it may be Italian. His familiarity with foreign languages amazed the students present, but Liu Huan said modestly, "I graduated from the French Language and Literature Department of the Institute of International Relations, and I can also master English. Other languages are mainly aimed at some nouns mentioned and cannot be called meeting. "