sharpen

verb

1. （使）变得锋利，变得清晰
   to make sth sharper; to become sharper
   1. This knife needs sharpening.
      这把刀需要磨了。
   2. The outline of the trees sharpened as it grew lighter.
      随着天色转亮，树的轮廓变得清晰了。
2. （使感觉或感情）加强，加重，变得更明显
   if a sense or feeling sharpens or sth sharpens it, it becomes stronger and/or clearer
   1. The sea air sharpened our appetites.
      海上的空气增进了我们的食欲。
3. 使尖锐；使明朗
   to make a disagreement between people, or an issue on which people disagree, clearer and more likely to produce a result
   1. There is a need to sharpen the focus of the discussion.
      有必要使讨论的焦点更加集中。
4. （使）提高，改善
   to become or make sth better, more skilful, more effective, etc. than before
   1. He needs to sharpen up before the Olympic trials.
      在奥运会选拔赛之前，他需要进一步提高自己。
   2. She's doing a course to sharpen her business skills.
      她正进修，以提高自己的业务技巧。
5. （使声音）变得尖锐，变得刺耳
   if your voice sharpens or sth sharpens it, it becomes high and loud in an unpleasant way

1. V-ERG (感觉、理解)加强;(使)加深;(技巧)提高;(使)改善
   If your senses, understanding, or skills sharpen or are sharpened, you become better at noticing things, thinking, or doing something.
   1. Her gaze sharpened, as if she had seen something unusual...
      她眼睛一亮，仿佛看见了什么不寻常的事情。
   2. You can sharpen your skills with rehearsal.
      排练可以让技巧更加纯熟。
2. VERB 使变得锋利;削尖;磨快
   If you sharpen an object, you make its edge very thin or you make its end pointed.
   1. He started to sharpen his knife.
      他开始磨刀。
   2. ...sharpened pencils.
      削尖的铅笔
3. V-ERG (分歧、差异等)加剧;(使)加深;(使)加重
   If disagreements or differences between people sharpen, or if they are sharpened, they become bigger or more important.
   1. With urbanisation the antagonism between rich and poor sharpened...
      伴随着城市化的推进，贫富间的对立情绪也加剧了。
   2. The case of Harris has sharpened the debate over capital punishment.
      哈里斯案激化了人们对死刑的争论。

1. Her gaze sharpened, as if she had seen something unusual
   她眼睛一亮，仿佛看见了什么不寻常的事情。
2. He started to sharpen his knife.
   他开始磨刀。
3. With urbanisation the antagonism between rich and poor sharpened
   伴随着城市化的推进，贫富间的对立情绪也加剧了。
4. The case of Harris has sharpened the debate over capital punishment.
   哈里斯案激化了人们对死刑的争论。
5. If he really wants to sell his product, he'll have to get his marketing boys to sharpen up.
   如果他真想卖出产品，就要让市场人员变得更机敏。
6. Ginny tried to sharpen up some rusty typing skills.
   金尼试图重拾生疏了的打字技术。
7. A workman must sharpen his tools if he is to do his work well.
   工欲善其事，必先利其器。
8. Debates sharpen one's wits.
   辩论增长才智。
9. Sharpen the sickles till they are like razors.
   把镰刀磨得飞快。
10. The master initiates the apprentices, but they can sharpen their skills only through their own efforts.
    师傅领进门，修行看各人。
11. When you sharpen a pencil, you make chips.
    你削铅笔时，会削下许多碎屑。
12. Please sharpen the edge of this axe.
    请把这把斧头的刃磨快。
13. But among this year's titles are some that can sharpen managers'thinking about technology, management and careers.
    不过今年的新书中颇有一些可以加强管理人员对技术、管理及事业的认知。
14. My pencil is blunt, could you lend me a knife to sharpen it?
    我的铅笔钝了，你能借我把刀子削一削吗？
15. Sharpen your pencil. Show me your eraser.
    削你的铅笔.给我你的橡皮。
16. I have just given you 20 very practical ways to sharpen your mind.
    我刚刚已经给了你20条非常实用的能使你的思维敏锐的方法。
17. Sharpen your pencils before the test.
    考试前把你的铅笔都削尖。
18. You own your own meat cleaver and sharpen it.
    你有自己的确是的切肉刀而且你会磨它。
19. The lead broke on this pencil, so I have to sharpen it.
    这枝铅笔的笔芯断了，所以我只好削尖它。
20. Sharpen the arrows, take up the shields!
    你们要磨尖了箭头，抓住盾牌。
21. You'll have to sharpen the knife, it is blunt.
    你的小刀钝了，你要磨砺一下。
22. My pencil is blunt-i'll have to sharpen it.
    我的铅笔不尖了&我得把它削一下。
23. Can you sharpen pencil like this?
    你能把铅笔削成这种水平吗？
24. This course will help you to sharpen your debating skills.
    这门课程有助于提高你的辩论技巧。
25. To become a refined player, sharpen your discernment and cultivate good manners.
    要成为一个好的玩家，你就要培养敏锐的辨别能力和良好的行为习惯。
26. Please sharpen this pencil.
    请削一削这只铅笔。
27. It took him a long time to sharpen the dull knife.
    他花了很长时间把那把钝刀磨锋利。
28. A revolving stone disk; used to grind or sharpen or polish edge tools.
    一种旋转的石头的圆盘；用于研磨或削尖或打光工具边缘。
29. This is not meant to turn you into a Pollyanna, but to sharpen your selling skills.
    这不是说要把你转变成盲目乐观的人，只是提升你的销售技巧。
30. This filter will sharpen all the pixels on the layer.
    该过滤器将所有的层锐化的像素。

verb

1. put (an image) into focus
   1. Please focus the imag

   Synonym:    focusfocalizefocalise

2. become sharp or sharper
   1. The debate sharpened

3. make crisp or more crisp and precise
   1. We had to sharpen our arguments

4. make (one's senses) more acute
   1. This drug will sharpen your vision

   Synonym:    heighten

5. give a point to
   1. The candles are tapered

   Synonym:    taperpoint

6. raise the pitch of (musical notes)

7. make sharp or sharper
   1. sharpen the knives

8. make (images or sounds) sharp or sharper