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Jyutping ji4 on3
Pinyin yí àn

Definitions (CC-CEDICT)
  1. a doubtful case
  2. a controversy
Definitions (粵典–words.hk)
  1. 名詞
    經過​長​時間​仍然​未​揾​到​真相​嘅​事件​(​量​詞​:​單​/​宗​/​件​)
    doubtful or disputed case; mystery
    • 呢單十五年前嘅疑案到而家仲未有人破解到。
      呢单十五年前嘅疑案到而家仲未有人破解到。
      lei1 daan1 sap6 ng5 nin4 cin4 ge3 ji4 on3 dou3 ji4 gaa1 zung6 mei6 jau5 jan4 po3 gaai2 dou2.
      No one's been able to crack this fifteen-year-old case.
Definitions (Wiktionary)
  1. noun, usually
    mystery; unsettled case
  2. noun
    disputed case; yet unsolved case
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    呢单十五年前嘅疑案到而家仲未有人破解到。
    呢單十五年前嘅疑案到而家仲未有人破解到。
    lei1 daan1 sap6 ng5 nin4 cin4 ge3 ji4 on3 dou3 ji4 gaa1 zung6 mei6 jau5 jan4 po3 gaai2 dou2.
    • No one's been able to crack this fifteen-year-old case.