拼命三郎 [－－－－]

Jyutping ping3 ming6 saam1 long4
Pinyin pīn mìng sān láng

Definitions (CC-CEDICT)
  1. brave man, willing to risk his life
Definitions (Wiktionary)
  1. phrase, idiomatic
    workaholic
    (syn.) 工作狂