惨绝人寰

慘絕人寰
cǎnjuérénhuán
extremely tragic (idiom); with unprecedented brutality

CEDICT

to be extremely tragic; to be of unparalleled savagery (in human history)

Wiktionary

惨状几乎为世间所无，形容悲惨到了极点。

重編國語辭典

Entry Composition

1 惨 cǎn
  1. miserable
  2. wretched
  3. cruel
  4. inhuman
  5. disastrous
  6. tragic
  7. dim
  8. gloomy
=2 绝 jué
  1. to cut short
  2. extinct
  3. to disappear
  4. to vanish
  5. absolutely
  6. by no means
=2 绝 jué variant of 绝 jué
3 人寰 rénhuán
  1. world
  2. earthly world