户枢不蠹戶樞不蠹

hù shū bù dù

释义

lit. a door hinge never becomes worm-eaten; constant activity prevents decay (idiom)

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汉字

户hùdoor; family丶尸枢shūdoor hinge; pivot; center of power木区不bùno, not, un-; negative prefix一蠹dùmoth, bookworm; moth-eaten, worm-eaten橐虫虫