try-in

例句：

1. 1. She tried on the new dress and felt it fit perfectly.
   她试穿了新裙子，感觉非常合身。
2. 2.The company is trying to improve its product line.
   该公司正在努力改进其产品线。
3. 3. He tried his best to solve the problem but failed.
   他尽力去解决这个问题，但失败了。