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Jyutping ding2 laa1
Pinyin dǐng la

Definitions (粵典–words.hk)
  1. 助詞
    定​嘞​;​對事態​作出​推斷​、​揣測​之​後​,​表示​肯定
    used at the end of an utterance to express certainty about deduction or guessing that one has just made
    • 電話冇人聽,佢唔喺屋企定啦。
      电话冇人听,佢唔喺屋企定啦。
      din6 waa2 mou5 jan4 teng1, keoi5 m4 hai2 uk1 kei2 ding2 laa1.
      No one answered the phone. I'm sure he's not at home.
  2. 助詞
    確認​事態​,​表示​理所​當然​、​一定​係​噉
    of course; no need to doubt (used at the end of an utterance)
    • 我實知定啦。
      我实知定啦。
      ngo5 sat6 zi1 ding2 laa1.
      Of course I know about it.
  3. 參看
    定啦
Examples (粵典–words.hk)
  1. Cantonese
    咪死顶啦,做死你呀!
    咪死頂啦,做死你呀!
    mai3 sei2 ding2 laa1, zou6 sei2 nei3 aa3!
    • Don't do it anymore, you almost die!