Level 5 · word 6,916 of 20,000
sharpen
/ˈʃɑːrpən/
American

- v. 削尖, 使清晰, 加剧
- Definition
- v. to make or become sharp, clear, or more intense
- Example
- Please sharpen your pencil before the test begins.
- 请在考试开始前削好你的铅笔。