PIN

例句：

1. 1. She pinned the letter to her dress.
   她把信别在裙子上。
2. 2. The teacher pinned up the chalkboard for the test.
   老师把黑板擦整理好，准备考试。
3. 3. He pinned up his shirt and went to work.
   他系好衬衫，去上班了。