宿敵 [－敌]

Jyutping suk1 dik6
Pinyin sù dí

Definitions (CC-CEDICT)
  1. old enemy
Definitions (粵典–words.hk)
  1. 名詞
    長​期​嘅​對​手
    old enemy
  2. 參看
    夙敵
Definitions (Wiktionary)
  1. noun
    old enemy