狗尾续貂

狗尾續貂
gǒuwěixùdiāo
  1. lit. to use a dog's tail as a substitute for sable fur (idiom)
  2. fig. a worthless sequel to a masterpiece

CEDICT

to write a bad sequel to a fine work

Wiktionary

比喻任官太滥，或事物以坏续好，前后不相称。参见「貂不足，狗尾续」条。

重編國語辭典

Entry Composition

1 狗 gǒu dog

classifiers: 隻, 條
2 尾 wěi
  1. tail
  2. remainder
  3. remnant
  4. extremity
  5. sixth of the 28 constellations
  6. classifier for fish
3 续 xù
  1. to continue
  2. to replenish
4 貂 diāo sable or marten (genus Martes)