油然而生 [－－－－]

Jyutping jau4 jin4 ji4 sang1
Pinyin yóu rán ér shēng

Definitions (CC-CEDICT)
  1. arising involuntarily (idiom); spontaneous
  2. to spring up unbidden (of emotion)
Definitions (粵典–words.hk)
  1. 語句
    自然​發生
    to generate naturally
    • 佢響佢房同佢補習嘅時候，情慾油然而生。
      佢响佢房同佢补习嘅时候，情欲油然而生。
      Lust arises naturally when he was tutoring her in her room.
Definitions (Wiktionary)
  1. phrase, idiomatic, of a thought, usually
    to arise spontaneously
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