(Of a feeling) well up spontaneously; arise involuntarily
自然地产生（某种思想感情）。
宋朝苏洵《族谱引》观吾之谱者，孝弟之心可以油然而生矣。”
A sense of respect welled up spontaneously in me when I saw the monument.
Learn the next connected idiom: 油然而生 (yóu rán ér shēng) → 生机勃勃 (shēng jī bó bó)
Want to explore more random idioms? Try our 🎲 Chinese Idiom Generator