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Suddenly there was a flash of light and Tom came tearing by him, "Run!"

突然，一道灯光闪过，汤姆飞快地从他身边跑过：“快跑！”

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There was a flash of light in the distance.

远处灯光一闪。

《新英汉大辞典》

He said he could see the flash of light from Confederate guns along a line a kilometer long.

VOA: special.2009.12.17

He staggered backward and a flash of light appeared from his side.

NPR: Excerpt: 'Killer Weekend'

It's possible that a flash of light and shaking of the ground would be the first indications that something happened.

CNN: While you were working: An asteroid just flew by

The most popular theory holds that dark matter is made up of relatively heavy particles which, when they encounter one another, "annihilate" with a flash of light that the Fermi telescope can see.

BBC: Fermi telescope may change to dark matter hunting