流水不腐 liúshuǐ bù fǔ

liúshuǐ bù fǔ set phrase flowing water does not rot
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '流水不腐')

Contained in

• 流水不腐，户枢不蠹(流水不腐，戶樞不蠹) flowing water does not rot, nor a door-hinge rust; constant activity prevents decay