上流 Traditional form: 上流 Pinyin (reading): shàngliú Definitions: upper class Characters: 上 - above, on top, superior; to go up; to attend; previous 流 - to flow, to drift, to circulate; class Traditional characters: 上 - above, on top, superior; to go up; to attend; previous 流 - to flow, to drift, to circulate; class