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Jyutping gwaai3 m4 dak1
Pinyin guài wú dé

Definitions (粵典–words.hk)
  1. 連詞
    唔​怪​得​嘅​新​啲​嘅​講​法
    no wonder; it's not surprising that; a newer way of saying 唔怪得
  2. 近義詞
    唔怪得、難怪
  3. 參看
    怪唔之得、怪唔得之、怪之得、怪唔之
Definitions (Wiktionary)
  1. adv, Cantonese
    no wonder; small wonder
    (syn.) 怪不得, 唔怪得之, 唔怪之得, 難怪, 怨不得, 怪唔得之, 怪唔之得, 唔怪得, 莫怪, 难怪
Definitions (Kaifangcidian)
  1. 難怪 – 难怪
  2. 怪不得

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Jyutping gwaai3 m4 dak1
Pinyin guài n2 de

Definitions (CC-CANTO)
  1. no wonder