毋知死活 [－－－－]

Jyutping mou4 zi1 sei2 wut6
Pinyin wú zhī sǐ huó

Definitions (Wiktionary)
  1. phrase, Hokkien, idiomatic
    to act recklessly; to do something regardless of danger
    (syn.) 不知死活, 七月半鸭仔, 七月半鴨仔, 毋知死活, 毋知死