费解

費解
fèijiě
  1. to be puzzled
  2. hard to understand
  3. unintelligible
  4. incomprehensible

CEDICT

  1. hard to understand; incomprehensible
  2. puzzled; perplexed

Wiktionary

很难解释或了解。

重編國語辭典

Entry Composition

1 费 fèi
  1. to cost
  2. to spend
  3. fee
  4. wasteful
  5. expenses
2 解 jiě
  1. to divide
  2. to break up
  3. to split
  4. to separate
  5. to dissolve
  6. to solve
  7. to melt
  8. to remove
  9. to untie
  10. to loosen
  11. to open
  12. to emancipate
  13. to explain
  14. to understand
  15. to know
  16. a solution
  17. a dissection

Related entries

惑 huò
  1. to confuse
  2. to be puzzled
疑难 yínán
  1. hard to understand
  2. difficult to deal with
  3. knotty
  4. complicated
难以理解 nányǐlǐjiě
  1. hard to understand
  2. incomprehensible
你难以理解女人和小孩子对你说的话吗？

Do you have difficulty understanding what women or small children say to you?

Source: Tatoeba

难解 nánjiě
  1. hard to solve
  2. hard to dispel
  3. hard to understand
  4. hard to undo
我很難解決這個問題。

I had difficulty in solving this problem.

I had difficulty working out the problem.

Source: Tatoeba

涩 sè
  1. astringent
  2. tart
  3. acerbity
  4. unsmooth
  5. rough (surface)
  6. hard to understand
  7. obscure
深不可测 shēnbùkěcè
  1. deep and unmeasurable (idiom); unfathomable depths
  2. incomprehensible
  3. enigmatic and impossible to predict
翻译其实是一件吃力不讨好的事，因为一种语言在另一种语言中的对应物藏在往往隐藏在深不可测之处，翻译者需要百般寻觅，而且，挑剔的读者很难糊弄。

In reality, translation is akin to working for peanuts, since the corresponding meaning of something in one language is often hidden in some deep and impenetrable recesses of the other. As a result, the translator is forced to search all over... Never mind that the picky reader is very difficult to fool.

Source: Tatoeba

不知所谓 bùzhīsuǒwèi
  1. nonsense
  2. nonsensical
  3. incomprehensible
  4. to make no sense