户枢不蠹 / 戶樞不蠹

hù shū bù dù

Meaning

• literally a door hinge never becomes worm-eaten
• constant activity prevents decay (idiom)

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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.

Study this word in

• Chengyu · Chengyu