[----]

Jyutping gu2 hung4 lou4 liu4 mou4 faat3
Pinyin gǔ hóng lú liáo máo fǎ

Definitions (Wiktionary)
  1. phrase, archaic, idiomatic
    overkill; to go way overboard; to use a sledge hammer to crack a nut
    (syn.) 洪爐燎髮, 洪炉燎发

[----]

Jyutping gu2 hung4 lou4 liu4 mou4 faat3
Pinyin gǔ hóng lú liáo máo fà

Definitions (Wiktionary)
  1. phrase, archaic, idiomatic
    overkill; to go way overboard; to use a sledge hammer to crack a nut
    (syn.) 洪爐燎髮, 洪炉燎发