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Jyutping koeng5 zai3 sing3
Pinyin qiǎng zhì xìng

Definitions (Wiktionary)
  1. adj, attributive
    compulsory; mandatory
    (syn.) 义务, 義務
  2. adj, attributive
    compulsive
  3. noun
    compulsory nature; mandatory nature
    (syn.) 強迫性, 强迫性
  4. noun
    compulsiveness

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Jyutping koeng5 zai3 sing3
Pinyin qiáng zhì xìng

Definitions (CC-CANTO)
  1. adj; mandatory, compellent