sharpen
- v.锐化;（使）提高，改善;(使感觉或感情)加强，加重，变得更明显;使尖锐;使明朗;（使声音）变得尖锐，变得刺耳;(使)变得锋利，变得清晰
过去式： sharpened 现在分词： sharpening 过去分词： sharpened 第三人称单数： sharpens
sharp adj.锋利的 + -en 动词后缀
sharpenverb
（使）变得锋利，变得清晰
to make sth sharper; to become sharper
This knife needs sharpening.
这把刀需要磨了。
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。
（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
The sea air sharpened our appetites.
海上的空气增进了我们的食欲。
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
There is a need to sharpen the focus of the discussion.
有必要使讨论的焦点更加集中。
（使）提高，改善
to become or make sth better, more skilful, more effective, etc. than before
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。
She's doing a course to sharpen her business skills.
她正进修，以提高自己的业务技巧。
（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
sharpen
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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.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。
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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.He started to sharpen his knife.
他开始磨刀。
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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.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。
verb
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1
- put (an image) into focus;we cannot enjoy the movie"
- Please focus the imag
- Synonym: focus focalize focalise
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2
- become sharp or sharper
- The debate sharpened
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3
- make crisp or more crisp and precise
- We had to sharpen our arguments
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4
- make (one's senses) more acute
- This drug will sharpen your vision
- Synonym: heighten
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5
- give a point to
- The candles are tapered
- Synonym: taper point
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6
- raise the pitch of (musical notes)
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7
- make sharp or sharper
- sharpen the knives
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8
- make (images or sounds) sharp or sharper
数据来源：WordNet
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In most cases , you would sharpen the entire image by the same amount .
在多数情况下，可以用相同数量锐化整幅图像。
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Gradient method was used to sharpen the images and enhance the edge of images .
通过梯度法对图像进行了锐化处理，增强了图像的边缘和线条。
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She 's doing a course to sharpen her business skills .
她正进修，以提高自己的业务技巧。
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There is a need to sharpen the focus of the discussion .
有必要使讨论的焦点更加集中。
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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。
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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。
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The sea air sharpened our appetites .
海上的空气增进了我们的食欲。
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This knife needs sharpening .
这把刀需要磨了。
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The fashion designers have sharpened up their act in the last few years
时装设计师在过去的几年间表现得更出色了。
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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。
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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。
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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。
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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。
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He started to sharpen his knife .
他开始磨刀。
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Ginny tried to sharpen up some rusty typing skills .
金尼试图重拾生疏了的打字技术。
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The other end of the twig is sharpened into a sharp point to use as a toothpick
细枝的另一端被削尖用作牙签。
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Studying has really sharpened her critical faculties .
学习的确增强了她的判断能力。
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A workman must sharpen his tools if he is to do his work well .
工欲善其事，必先利其器。
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Debates sharpen one 's wits .
辩论增长才智。
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The contradictions are sharpening .
矛盾正在加剧。
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When you sharpen a pencil , you make chips .
你削铅笔时，会削下许多碎屑。
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When little brother heard his sister had come , he sharpened his knife and dashed for the pig and sheep .
小弟闻姐来，磨刀霍霍向猪羊。（《木兰诗》）
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He is sharpening a pair of blunt scissors with a whetstone .
他在用磨刀石磨一把不锋利的剪刀。
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Sharpen the sickles till they are like razors .
把镰刀磨得飞快。
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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。
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When the students came in , sharpened pencils in hand , there was not a bluebook in sight .
当学生走进教室，削好手中的铅笔后，眼前却没有任何的试卷。
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But he saw nothing , save peaks of rock that were sharpened like needles .
可是，他所看到的只是一些非常锋利的悬崖峭壁。
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The anxiety has been sharpened by the incipient mining boom .
采矿业初期的蓬勃发展加剧了这种担忧。
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Knives can be sharpened by grinding them against a rough stone .
刀能在一块粗石上磨快。
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He that wrestles with us strengthens our nerves and sharpens our skill .
和我们搏斗的人锻炼了我们的勇气，磨练了我们的技能