流水不腐，户枢不蝼 [ liú shuǐ bù fǔ，hù shū bù lóu ]

基本释义

比喻经常运动的东西不易受侵蚀。同“流水不腐，户枢不蠹”。

英文翻译

The running water is not rotten, and the Huzhu is not a bit