The wire snapped at the wall plug with a blue flash.

随着一道蓝色的闪光，墙上插座处的电线啪地一声断了。

《柯林斯英汉双解大词典》

The flash is aimed at the ceiling, wall or flash reflector, which disperses and softens the light, and bounces it back at the subject.

闪光时对准天花板，墙面或反光板，使得光线分散和柔化，并反射到被摄物上。

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You can even Angle your flash up and behind you to fill a small to normal-size room up with beautiful light. Spin it around and up at about 45 degrees to hit the wall and ceiling behind you.

你还可以使闪光灯角度向上或向你身后，将闪光灯旋转45度朝向墙壁和天花板打光，让美丽的光线充满整间房子。

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Bill Gates' grand scheme to license the world's art masterpieces and have them flash onto wall monitors in people's living rooms fizzled.

FORBES: Image Enhancement

Afterwards, police fired tear gas and "flash bang" grenades near the main plaza, where Occupy Wall Street protesters have been camping.

BBC: US Occupy protesters clash with police at Oakland port

After all, the worst that has happened, at least so far, is that the well paid kids of Wall Street were inconvenienced for a couple of hours in the Flash Crash.

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