派别: denomination, group, school, faction, school of thought...
壁画: mural (painting), fresco...
友好: friendly, amicable, close friend...
尝试: to try, to attempt...
年级: grade, year (in school, college etc)...
楼上: upstairs, (Internet slang) previous poster in a forum thread...
纠纷: dispute...
出任: to take up a post, to start in a new job...
回国: to return to one's home country...
教师: teacher...
