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:

make sharp or sharper

make sharp or sharper

become sharp or sharper

put (an image) into focus同义词：focus, focalize, focalise

make (images or sounds) sharp or sharper

raise the pitch of (musical notes)

give a point to同义词：taper, point

make (one's senses) more acute同义词：heighten

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？

The soldiers sharpened up their knives.战士们把刀磨得锋利。

Generations of urban living sharpened their wits.世代居住在城市里使他们磨练了才智。