蔚然成风
wèi rán chéng fēng
to become a common practice; to catch on widely
Character by character
蔚wèi
lush
lush
然rán
-ly
-ly
成chéng
become
become
风fēng
custom
custom
Example
在这个小区，垃圾分类已经蔚然成风，很少有人乱扔了。
In this housing estate sorting rubbish has caught on with everyone, and hardly anyone throws it about any more.
Tone: positive (praise).
Usage and origin
蔚 means growing thick and lush, as plants do. A written phrase from reports and speeches, used only of good habits: 节约蔚然成风, 全民健身蔚然成风. For a bad trend say 成风 alone or 盛行 (×浪费蔚然成风).
Learn this in Lesson 144 · HSK 7–9: 露营热 (The outdoor boom)
A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.
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