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Jyutping bat1 ding6 kei4
Pinyin bù dìng qí

Definitions (Wiktionary)
  1. adj
    non-scheduled; irregular

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Jyutping bat1 ding6 kei4
Pinyin bù dìng qī

Definitions (CC-CEDICT)
  1. non-scheduled
  2. irregularly
Definitions (Wiktionary)
  1. adj
    non-scheduled; irregular
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)