lit. a door hinge never becomes worm-eaten; constant activity prevents decay (idiom)
trad. 戶樞不蠹
Also written 戶樞不蠹【hù shū bù dù】
lit. a door hinge never becomes worm-eaten; constant activity prevents decay (idiom)
trad. 戶樞不蠹
Also written 戶樞不蠹【hù shū bù dù】