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
六a note of the scale in gongchepu, corresponding to 5 in numbered musical notation; six
哥哥elder brother; elder male relative of the same generation
四four; note in the Chinese gongchepu scale
在exist; join or belong to an organization
女nü in ancient Chinese astronomy); female
姐姐elder sister; girl or woman who is of the same generation but older in age
的used to indicate a modifying and modified relationship
课examine; learn or give a lecture