- Home
- Teachers
- Users
- Dictionary
- Tools
- Mstory
- Story
- Notebook
- QA
- Video
- My Community
- My Lesson
- My Wallet
- Buy CSP
- Profile
- Settings
- Submit a Ticket
- My Ticket
- Help
- Log off
Correct
习沿成风
/ xí yán chéng fēng /
Strokes
Example
Definition
usage arises from constant practice; a common quirk becomes a trend