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流水不腐,户枢不蠹
流水不腐,戶樞不蠹
liúshuǐbùfǔ,hùshūbùdù
1. Flowing water does not rot, nor a door-hinge rust (idiom)
2. constant activity prevents decay

Character Breakdown

流
liú
to flow, to drift, to circulate; class
HSK 4 10 丶
水
shuǐ
water, liquid, lotion, juice
HSK 1 4 丶
不
bù
no, not, un-; negative prefix
HSK 1 4 丶
腐
fǔ
to spoil, to rot, to decay; rotten
HSK 5 14 丶
户
hù
door; family
HSK 4 4 丶
枢
shū
door hinge; pivot; center of power
8 丶
不
bù
no, not, un-; negative prefix
HSK 1 4 丶
蠹
dù
moth, bookworm; moth-eaten, worm-eaten
24 丶

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