户枢不蠹 — Chinese idiom

Meaning

• lit. a door hinge never becomes worm-eaten
• constant activity prevents decay

Character by character

• 户hùdoor; family
• 枢shūdoor hinge; pivot; center of power
• 不bùno, not, un-; negative prefix
• 蠹dùmoth, bookworm; moth-eaten, worm-eaten

Idioms sharing a character

• 千家万户 qiān jiā wàn hù
• 夜不闭户 yè bù bì hù
• 大户人家 dà hù rén jiā
• 家喻户晓 jiā yù hù xiǎo
• 家家户户 jiā jiā hù hù
• 户告人晓 hù gào rén xiǎo
• 户限为穿 hù xiàn wéi chuān
• 柴门小户 chái mén xiǎo hù
• 蓬户瓮牖 péng hù wèng yǒu
• 蓬门筚户 péng mén bì hù

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.