不知死活

bùzhīsǐhuó
to act recklessly (idiom)

CEDICT

to act recklessly; to do something regardless of danger

Wiktionary

  1. 不知利害，冒昧行事。
  2. 不知生死如何。

重編國語辭典

Entry Composition

1 不知 bùzhī
  1. not to know
  2. unaware
  3. unknowingly
  4. fig. not to admit (defeat, hardships, tiredness etc)
2 死活 sǐhuó
  1. life or death
  2. fate
  3. no matter what
  4. anyway
  5. for the life of me

Related entries

亂來 luànlái
  1. to act recklessly
  2. to mess around
肆行 sìxíng to act recklessly