Like a flash of lightning, the meteor shot across the sky.

流星像一道闪光划过天空。

《新英汉大辞典》

It almost seems like a flash to heaven.

这看起来几乎就像是天堂一闪而过。

youdao

Like a flash of lightming, the meteor shot across the sky.

流星象一道闪光划过夜空。

youdao

It seems like it's not a news flash that religion is playing an extremely important part in our public square conversations, in our political life, in how we are making decisions on questions of poverty.

这似乎并非一条简讯,宗教发挥着极其重要的作用,在我们在公共场所的谈话中，在我们的政治生活中，在我们如何针对贫困问题做出决策。

普林斯顿公开课 - 人性课程节选

To some old-school analysts this makes fracking seem like a flash in the pan.

FORBES: Will Natural Gas Stay Cheap Enough To Replace Coal And Lower US Carbon Emissions

It's real easy when you announce your campaign to come out like a flash in a pan.

CNN: Bachmann faces complications in Iowa

Mr Willetts is not the only writer to worry about baby-boomers crashing through society like a flash flood.

ECONOMIST: Social change