魚爛頭先臭。

A fish rots from the head down.

Source: Tatoeba

Sentence Composition

=1 魚 Yú surname Yu
=1 魚 yú used in the names of various aquatic animals that are not fish (including abalone 鲍鱼 bàoyú, alligators and crocodiles 鳄鱼 èyú and octopi 章鱼 zhāngyú)

classifiers: 條, 尾
2 爛 làn
  1. soft; mushy
  2. well-cooked and soft
  3. to rot; to decompose
  4. rotten
  5. worn out
  6. chaotic; messy
  7. utterly; thoroughly
  8. crappy; bad
3 頭先 tóuxiān
  1. (Puxian Min) in front; at the head
  2. (dialectal) most importantly
  3. in front; at the head
  4. most importantly
=4 臭 chòu
  1. stench
  2. smelly
  3. to smell (bad)
  4. repulsive
  5. loathsome
  6. terrible
  7. bad
  8. severely
  9. ruthlessly
  10. dud (ammunition)
=4 臭 xiù
  1. sense of smell
  2. smell bad