1. 闪耀;闪光
    A flash is a sudden burst of light or of something shiny or bright.

    e.g. A sudden flash of lightning lit everything up for a second...
           突然一个闪电瞬间照亮了一切。
    e.g. The wire snapped at the wall plug with a blue flash and the light fused...
           墙上插头处的电线啪地发出一道蓝光，电灯的保险丝烧断了。

2. (使)闪光,(使)闪耀;(尤指)频闪
    If a light flashes or if you flash a light, it shines with a sudden bright light, especially as quick, regular flashes of light.

    e.g. Lightning flashed among the distant dark clouds...
           一道道电光在远处的乌云中闪现。
    e.g. He lost his temper after a driver flashed her headlights as he overtook...
           一个女司机在他超车时不停地闪着车前灯，这让他火冒三丈。

3. 突发;忽然的一阵
    You talk about a flash of something when you are saying that it happens very suddenly and unexpectedly.

    e.g. 'What did Moira tell you?' Liz demanded with a flash of anger...
           “莫伊拉跟你说什么啦？”利兹突然生气地质问道。
    e.g. When pursued, he made his escape with a flash of speed...
           遭到追赶时，他突然飞速地逃脱了。

4. 飞快移动;飞驰;掠过
    If something flashes past or by, it moves past you so fast that you cannot see it properly.

    e.g. It was a busy road, cars flashed by every few minutes.
           这是一条繁忙的道路，每隔几分钟就有汽车飞驰而过。
    e.g. ...the ball flashed across the face of the goal.
           球从球门前飞过。

5. 突然闪过(脑海)
    If something flashes through or into your mind, you suddenly think about it.

    e.g. A ludicrous thought flashed through Harry's mind...
           一个荒谬的念头突然在哈里脑中闪现。
    e.g. Those lines of Milton flashed into my mind.
           弥尔顿的那几行诗忽然在我脑中闪过。

6. 一晃亮出;快速出示
    If you flash something such as an identity card, you show it to people quickly and then put it away again.

flash的反义词

    e.g. Halim flashed his official card, and managed to get hold of a soldier to guard the Land Rover.
           哈利姆亮了一下他的军官证，设法找来了一名士兵看着路虎车。

7. (使)闪现;(使)出现;(使)显示
    If a picture or message flashes up on a screen, or if you flash it onto a screen, it is displayed there briefly or suddenly, and often repeatedly.

u0039u0031u0031u67E5u8BE2u00B7u82F1u8BEDu5355u8BCD

    e.g. The figures flash up on the scoreboard...
           数字显示在记分牌上。
    e.g. The words 'Good Luck' were flashing on the screen...
           “祝您好运”几个字出现在屏幕上。

8. (通过计算机、卫星或其他系统)快速发送，迅速播出，传送
    If you flash news or information to a place, you send it there quickly by computer, satellite, or other system.

    e.g. They had told their offices to flash the news as soon as it broke...
           他们已经告诉各办公室，一有消息立即发布。
    e.g. This is, of course, international news and soon it was being flashed around the world.
           当然，这是国际性新闻，很快就会传到世界各地。

9. 瞥(一眼);投之(一笑)
    If you flash a look or a smile at someone, you suddenly look at them or smile at them.

    e.g. I flashed a look at Sue...
           我向休瞥了一眼。
    e.g. Meg flashed Cissie a grateful smile.
           梅格冲茜茜感激地笑了一笑。

10. (眼睛尤因气愤)发光，发亮
    If someone's eyes flash, they suddenly show a strong emotion, especially anger.

flash在线翻译

    e.g. Her dark eyes flashed and she spoke rapidly.
           她飞快地说着，黑色的双眼放着光。

11. (摄影时的)闪光灯
      Flash is the use of special bulbs to give more light when taking a photograph.

      e.g. He was one of the first people to use high speed flash in bird photography.
             他是最先使用高速闪光灯拍摄鸟类的人之一。

12. 同 flashlight
      A flash is the same as a flashlight .

      e.g. Stopping to rest, Pete shut off the flash.
             皮特关掉手电筒，停下来休息。

13. 奢华的;时髦的;新潮的
      If you describe something as flash, you mean that it looks expensive, fashionable, and new.

      e.g. ...a flash uptown restaurant...
             城郊富人区的豪华饭店
      e.g. You can go for a 'rostrum' system, which sounds flash, but can be assembled quite cheaply.
             可以去弄一个“指挥台”系统，它听起来很昂贵，但其实花不了多少钱就可以组装起来。

14. 昙花一现
      If you describe an achievement or success as a flash in the pan, you mean that it is unlikely to be repeated and is not an indication of future achievements or success.

      e.g. People will be looking in to see how good we are now and whether our success has just been a flash in the pan.
             人们会来看看我们现在有多成功，看看我们的成功是否只是昙花一现。

15. 转瞬;一瞬间
      If you say that something happens in a flash, you mean that it happens suddenly and lasts only a very short time.

      e.g. The answer had come to him in a flash...
             他一下子就有了答案。
      e.g. It was done in a flash.
             一眨眼的工夫就完成了。

16. (反应)飞快，迅速
      If you say that someone reacts to something quick as a flash, you mean that they react to it extremely quickly.

      e.g. Quick as a flash, the man said, 'I have to, don't I?'
             那人立即说道：“我必须如此，是不是？”

17. 突然记起;猛然想起;忽地记起
      If your mind flashes back to something in the past, you remember it or think of it briefly or suddenly.

      e.g. His mind kept flashing back to the previous night...
             他脑中不断回想起头天晚上发生的事。
      e.g. Thoughts inevitably flash back to 1914, when trouble in this part of the Balkans led all the way to world war.
             这难免会令人想起1914年，那年巴尔干半岛上这一地区的动荡最终引发了世界大战。

相关词组：flash back