流水不腐，户枢不蠹 / 流水不腐，戶樞不蠹
liú shuǐ bù fǔ , hù shū bù dù
Meaning
- literally flowing water does not rot, nor a door-hinge rust (idiom)
- figuratively constant activity prevents decay
Example sentences
流水不腐，户枢不蠹。
流水不腐，戶樞不蠹。
liú shuǐ bù fǔ， hù shū bù dù。
Running water never stagnates, and a frequently used door hinge never rusts.