vt.

1. 使闪光；使闪烁[（+at）]
   Why is that driver flashing his lights at me?

   那个司机为何用灯照我？

2. （向……）闪现出[（+at）][O1]
   I flashed a warning glance at them.

   我向他们投去警告性的一瞥。

3. 反照，反射[（+back）]
4. 闪出；亮出；夸示[O]
   She liked flashing her diamond necklace.

   她喜欢炫耀自己的钻石项链。

5. （火速地）发出（电报，电讯等）；使迅速传遍[O]
   The news was flashed around the world.

   这一消息迅速传遍世界各地。

vi.

1. 闪光，闪烁
   The stars flashed in the night sky.

   夜空中群星闪烁。

2. （想法等）掠过，闪现[Q]
   A thought flashed through my mind.

   我脑子里闪过一个想法。

3. 反照，反射[（+back）]
4. 飞驰，掠过[Q]
   A car flashed by.

   一辆汽车疾驰而过。

n.

1. 闪烁，闪光[C]
   There was a flash of lightning a moment ago.

   刚才有一道闪电。

2. 灯号的一闪；旗号的一挥[C]
3. 简短的电讯；新闻快报[C]
   The latest flash from the capital says that the fighting has been escalated.

   来自首都的最新电讯说战斗已经升级。

4. 【摄】闪光摄影术；闪光灯[C][U]
   Did you bring your flash?

   你有没有带闪光灯？

5. （思想等的）闪现[C]
   A flash of grief came upon her when she heard the news.

   她听到这消息时内心感到一阵悲伤。

6. 【军】肩章，徽章[C]
7. （F-）Adobe公司的电脑动画软件
8. （金属铸造或塑胶射出的）毛边；溢料

a.

1. 突如其来的，迅猛而短暂的；紧急的[B]
   The area was hit by a flash storm.

   这一地区受到突如其来的暴风雨侵袭。

2. 俗艳的，华而不实的

v.

1. shine in a bright but brief, sudden, or intermittent way.
2. move, pass, or send very quickly:
   a look of terror flashed across his face.
3. display or be displayed briefly or repeatedly.
   ▸informal display conspicuously so as to impress:

   they flash their money about.
   ▸informal (of a man) show one's genitals in public.
4. (flash over) make an electric circuit by sparking across a gap.

n.

1. a sudden brief burst of bright light.
2. a camera attachment that produces a flash of light, for taking photographs in poor light.
3. a sudden or brief manifestation or occurrence.
4. a bright patch of colour.
   ▸Brit. a coloured patch of cloth worn on a uniform as a distinguishing emblem.
5. (Flash) Computing  (trademark in the US) an application used to produce animation sequences that can be viewed by a browser.
6. excess plastic or metal forced between facing surfaces as two halves of a mould close up.
7. a rush of water, especially down a weir to take a boat over shallows.

adj.

1. informal, chiefly Brit. ostentatiously stylish or expensive.
2. archaic relating to the language of criminals or prostitutes.

n.