无从

無從
wúcóng
  1. not to have access
  2. beyond one's authority or capability
  3. sth one has no way of doing

CEDICT

to have no way of; to not be in a position to

Wiktionary

没有门径或头绪。如：「无从入手」、「无从置喙」。《老残游记．第一六回》：「叫他捏造一个姦夫出来，实实无从捏造。」《文明小史．第二六回》：「那拍掌之声，暴雷也似的响，只济川不知他是谁，无从附和。」也作「无由」。

重編國語辭典

Examples

我无从得知。

I have no way of knowing that.

Source: Tatoeba

这首诗是不是莎士比亚写的，恐怕是无从考究的了。

Whether Shakespeare wrote this poem or not will probably remain a mystery.

Source: Tatoeba

Entry Composition

1 无 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
=2 从 cóng variant of 从 cóng
=2 从 cóng
  1. from; through; via
  2. (bound form) to follow
  3. (bound form) to obey
  4. (bound form) to engage in (an activity)
  5. (used before a negative) ever
  6. (bound form) (Taiwan pr. zòng) retainer; attendant
  7. (bound form) (Taiwan pr. zòng) assistant; auxiliary; subordinate
  8. (bound form) (Taiwan pr. zòng) related by common paternal grandfather or earlier ancestor

Containing this entry

无从下手 wúcóngxiàshǒu not know where to start