sharpen

汉语翻译

vt. 使尖锐, 使敏捷, 加重, 削尖
vi. 尖锐化, 变锋利

词型变化：

名词:sharpener 动词过去式:sharpened 过去分词:sharpened 现在分词:sharpening 第三人称单数:sharpens 

英语解释：

动词 sharpen:

1. make sharp or sharper
2. make sharp or sharper
3. become sharp or sharper
4. put (an image) into focus
   同义词：focus, focalize, focalise
5. make (images or sounds) sharp or sharper
6. raise the pitch of (musical notes)
7. give a point to
   同义词：taper, point
8. make (one's senses) more acute
   同义词：heighten

例句：

1. 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？
2. The soldiers sharpened up their knives.
   战士们把刀磨得锋利。
3. Generations of urban living sharpened their wits.
   世代居住在城市里使他们磨练了才智。