a clear and clean flow of water

(literary) an honorable or virtuous person who remains untainted by corruption or disreputable influences; someone who keeps themselves aloof from the crowd

Qingliu County in Sanming City, Fujian Province, China

(historical) high-minded scholars and officials who opposed political corruption, particularly in the late Ming and late Qing dynasties

(linguistics) a breathed glide or voiceless continuant

(metaphorical) a positive, healthy influence or trend that stands out against a corrupt or decadent environment