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高考 CET-4 CET-6 TOEFL BNC: 7542 COCA: 8298
sharpen
sharp·en / 5FBrpEn ; 5FB:pEn /verb
1. I,Tto make something have a sharper edge or point(使)变锋利(尖锐,清晰):
Anne sharpened her pencil and got out her homework.安妮把铅笔削尖,然后拿出家庭作业来。
2. Tto make a feeling stronger and more urgent使〔某种感觉〕增强,加强:
A series of attacks have sharpened fears of more violence.一连串的袭击事件增加了人们对发生更多暴力事件的担心。
3. T also sharpen sth up to improve something so that it is up to the necessary standard, quality etc使提高,使改进:
The course will help students sharpen their writing skills.这门课程将帮助学生提高写作技巧。

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