a door-hinge is never worm-eaten
Hushuimmortal, Chinese idiom, Pinyin is h ù sh ū B ù Xi ǔ, often rotating doorshaft will not decay. It means that things that move frequently are not easily eroded. It comes from the biography of Wu Pu in the annals of the Three Kingdoms.
The origin of Idioms
Wu Pu Zhuan in the annals of the Three Kingdoms: "if you waver, the valley Qi will disappear, the blood will flow, and the disease will not occur. For example, there is an immortal Hushu."
Idiom usage
As subject, object, attribute; used in figurative sentences
Analysis of Idioms
Synonyms: hushubumole, hushubuyu
a door-hinge is never worm-eaten
hide one 's capacities and hide one 's time - tāo guāng liǎn jì
relay on hearsay instead of seeing for oneself - yǐ ěr wéi mù