Senses
户枢不蠹/ 戶樞不蠹 constant activity prevents decay
lit. a door hinge never becomes worm-eaten; used to describe how regular activity or exercise prevents things from rotting or losing their function, often used in the phrase 流水不腐
lit. a door hinge never becomes worm-eaten; used to describe how regular activity or exercise prevents things from rotting or losing their function, often used in the phrase 流水不腐