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During the Jin Dynasty, Prince Sima Lun of Zhao was cunning, treacherous, and extremely ambitious. He colluded with Sun Xiu to plot a usurpation of the throne. To ensure the success of his coup, he liberally bestowed official titles upon his subordinates and even their family members.
At the time, officials were required to wear hats adorned with sable tails when attending court. Due to the excessive number of newly appointed officials, sable tails became scarce. Consequently, dog tails were used as substitutes.
Later, Prince Jiong of Qi and others raised an army to suppress Sima Lun, helping Emperor Hui Sima Zhong regain his throne.

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Open the tool →貂不足,狗尾续 (diāo bù zú , gǒu wěi xù) is a Chinese idiom (chengyu) meaning “to make an unworthy addition or continuation”.
貂不足,狗尾续 is pronounced diāo bù zú , gǒu wěi xù in Mandarin Chinese.
Literally, 貂不足,狗尾续 means “Sable tails are insufficient, so dog tails are added”. It is used to mean “to make an unworthy addition or continuation”.
貂不足,狗尾续 comes from a classical Chinese story dating back to ancient China. The full story is on this page.
①指授官太滥。②指美中不足或以次充好。