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