死無對證

死无对证
sǐwúduìzhèng
the dead cannot testify (idiom); dead men tell no tales

CEDICT

to be unable to know the truth as the person who could testify has died; dead men tell no tales

Wiktionary

人死了不能作證。比喻事實真象無法得到澄清、證實。

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 無 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
3 對證 duìzhèng confrontation