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Jyutping jau4 jin4
Pinyin yóu rán

Definitions (CC-CANTO)
  1. (adjective) contented; cheerful
Definitions (Wiktionary)
  1. adj, literary
    welling up spontaneously
    • 油然而生
      油然而生
      yóuránérshēng
      to arise spontaneously
  2. adj, literary
    rising densely
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    佢响佢房同佢补习嘅时候,情欲油然而生。
    佢響佢房同佢補習嘅時候,情慾油然而生。
    • Lust arises naturally when he was tutoring her in her room.
Examples (Wiktionary)
  1. Mandarin
    油然而生
    油然而生
    yóuránérshēng
    • to arise spontaneously