死结

死結
sǐjié
  1. tight knot
  2. intractable problem

CEDICT

  1. (figurative) an issue that defies solution; impasse; intractable problem
  2. an issue that defies solution; impasse; intractable problem
  3. encased knot; fast knot

Wiktionary

  1. 无法一拉就解开的绳结。
  2. 比喻无法想通的道理或无法解决的事。

重編國語辭典

Entry Composition

1 死 sǐ
  1. to die
  2. impassable
  3. uncrossable
  4. inflexible
  5. rigid
  6. extremely
  7. damned
2 结 jié
  1. knot
  2. sturdy
  3. bond
  4. to tie
  5. to bind
  6. to check out (of a hotel)

Containing this entry

死结难解 sǐjiénánjiě
  1. enigmatic knot hard to untie (idiom); thorny problem
  2. intractable difficulty