sharpen
['ʃɑ:pən]
vt.使尖锐, 磨快, 加剧
vi.变尖锐
例句与用法:
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。
词形变化:
名词: sharpener | 动词过去式: sharpened | 动词过去分词: sharpened | 动词现在分词: sharpening | 动词第三人称单数: sharpens |
详细释义:
vt.
1. 削尖, 磨快
He neatly sharpened pencils.
他利索地将铅笔一支支削尖。
2. 使敏锐; 使敏捷
3. 加重; 加剧; 使尖锐
Cold weather sharpens the pain in my knee.
寒冷使我膝盖的疼痛加剧。
4. 使……的线条分明; 使……的轮廓清晰
5. 【音】使(音调)升半音
vi.
1. 变尖; 变锋利
Her voice sharpened as she became impatient.
她变得不耐烦了, 声音也变尖了。
2. 变得敏锐
3. 尖锐化, 急剧化