上课attend a class; conduct a class
不not; used to reply in the negative
个used before nouns without fixed measure words of their own; used between a verb and its object
五five; a note of the scale in gongchepu, corresponding to 6 in numbered musical notation
人human being; an adult human being
六a note of the scale in gongchepu, corresponding to 5 in numbered musical notation; six
千thousand; a great amount/number of
同学be a schoolmate of somebody; schoolmate
哥哥elder brother; elder male relative of the same generation
四four; note in the Chinese gongchepu scale
大学生college or university student
她her; reference to something beloved, such as one's motherland and national flag
贵姓respectful way of referring to someone's surname
高兴happy; be happy/willing/glad to