个used before nouns without fixed measure words of their own; used between a verb and its object
后天the day after tomorrow; a period in which humans or animals exist independently after birth
哥哥elder brother; elder male relative of the same generation
国家country; complete territory of a country
好听pleasant to hear; agreeable to the hearer
姐姐elder sister; girl or woman who is of the same generation but older in age
看病see a patient; see/consult a doctor
考give or take a test or quiz; exam
考试take an examination; examination
课examine; learn or give a lecture
高兴happy; be happy/willing/glad to