形成 (xíng chéng): 형식화하다

After millions of years of geological changes, this valley gradually formed its present appearance.

He practiced calligraphy every day, and over time he formed his own unique style.

In the group discussion, everyone exchanged different ideas and eventually formed a complete plan.

In spring, the ice on the lake slowly melts, and water vapor rises into the air, forming thin clouds.

Friends who often played together as children still have a good relationship after growing up; a deep friendship has formed between them.