sharpen

英 [ˈʃɑːpən]

美 [ˈʃɑːrpən]

v.  (使)变得锋利，变得清晰; (使感觉或感情)加强，加重，变得更明显; 使尖锐; 使明朗

过去分词：sharpened　现在分词：sharpening　过去式：sharpened　第三人称单数：sharpens　

高考CET4CET6TOEFLIELTSTEM8

Collins.1 / BNC.7542 / COCA.8298

牛津词典

verb

• （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。
• （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。
• 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。
• （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。
• （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

柯林斯词典

• V-ERG (感觉、理解)加强;(使)加深;(技巧)提高;(使)改善
  If your senses, understanding, or skillssharpenorare 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。
• VERB 使变得锋利;削尖;磨快
  If yousharpenan 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
• V-ERG (分歧、差异等)加剧;(使)加深;(使)加重
  If disagreements or differences between peoplesharpen, or if theyare 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。

英英释义

verb

• put (an image) into focus
  1. Please focus the imag
  Synonym:focusfocalizefocalise
• become sharp or sharper
  1. The debate sharpened
• make crisp or more crisp and precise
  1. We had to sharpen our arguments
• make (one's senses) more acute
  1. This drug will sharpen your vision
  Synonym:heighten
• give a point to
  1. The candles are tapered
  Synonym:taperpoint
• raise the pitch of (musical notes)
• make sharp or sharper
  1. sharpen the knives
• make (images or sounds) sharp or sharper

双语例句

• You'll have to sharpen the knife, it is blunt.
  你的小刀钝了，你要磨砺一下。
• 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。
• Debates sharpen one's wits.
  辩论增长才智。
• 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。
• 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。
• 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。
• Sharpen the sickles till they are like razors.
  把镰刀磨得飞快。
• He started to sharpen his knife.
  他开始磨刀。
• 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。
• 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。