idiom > Cows go down
Contents
Cows go down
  Explanation: Metaphor to difficult, very difficult.
  Usage: -Linked; for the predicate; analogy that no fresh
  Source: Qing Pang Yang Ou "black membership innocent people," 15 back: "As to the negative trafficking business, wading climbing, eating cigarettes were more cows to go down."
No. 2
  Yu so do not contribute.
Translated by Google
No. 3
  Something, difficult, so do not contribute.
Translated by Google