下九流

the lowest professions

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

nine / 9

the nine schools of thought, philosophical schools of the Spring and Autumn and Warring States Periods (770-220 BC), viz Confucians 儒家[Ru2 jia1], Daoists 道家[Dao4 jia1], Yin and Yang 陰陽家|阴阳家[Yin1 yang2 jia1], Legalists 法家[Fa3 jia1], Logicians 名家[Ming2 jia1], Mohists 墨家[Mo4 jia1], Diplomats 縱橫家|纵横家[Zong4 heng2 jia1], Miscellaneous 雜家|杂家[Za2 jia1], and Agriculturalists 農家|农家[Nong2 jia1]

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade