大開殺戒 [－开杀－]

Jyutping daai6 hoi1 saat3 gaai3
Pinyin dà kāi shā jiè

Definitions (粵典–words.hk)
  1. 動詞
    無差別​噉​殺​人​，​通常​係​好多​人
    to kill (a lot) indiscriminately; literally: to violate the regulation against killing
Definitions (Wiktionary)
  1. phrase, idiomatic
    to massacre a lot people; to slaughter many people
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）