拼音：liú shuǐ bù fǔ，hù shū bù dù
注音：ㄌㄧㄡˊㄕㄨㄟˇㄅㄨˋㄕㄨㄅㄨˋㄉㄨˋ
解释：腐：臭；枢：门轴；蠹：蛀。流动的水不会发臭，经常转动的门轴不会腐烂。比喻经常运动的东西不易受侵蚀。
出处：《吕氏春秋·尽数》：“流水不腐，户枢不蝼，动也。”
英语：Running water is never stale and a door-hinges never get worm-eaten―practice keep one always fit
Rotten: smelly; Pivot: door shaft; Bark beetle: moth. The flowing water will not stink, and the often rotating door shaft will not rot. Metaphor: something that moves frequently is not easy to be eroded.
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