前世撈亂骨頭 [－－捞乱－头]

Jyutping cin4 sai3 lou4 lyun6 gwat1 tau4
Pinyin qián shì lāo luàn gǔ tou

Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    to be archenemies

前世撈亂骨頭 [－－捞乱－头]

Jyutping cin4 sai3 lou1 lyun6 gwat1 tau4
Pinyin qián shì lāo luàn gǔ tou

Definitions (CC-CANTO)
  1. mutual enmity; describes a situation where two or more parties are always having issues with each other and having a sour relationship for a long time; literally 'their bones were mixed up in their past lives'
Definitions (粵典–words.hk)
  1. 語句
    好大仇口​，​以至​有​你​冇​我​，​水火不容
    to be deadly enemies; literally, bones mixed up in their previous lives
Definitions (Kaifangcidian)
  1. 上輩子結了仇 – 上辈子结了仇
  2. 死對頭 – 死对头
  3. 仇敵 – 仇敌