不知死活 [－－－－]

Jyutping bat1 zi1 sei2 wut6
Pinyin bù zhī sǐ huó

Definitions (CC-CEDICT)
  1. to act recklessly (idiom)
Definitions (Wiktionary)
  1. phrase, idiomatic
    to act recklessly; to do something regardless of danger
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）