Just before the lights turned dark, I saw my father rush into the hall and take the seat beside my mother.

就在灯变暗之前，我看见我的父亲冲进大厅，坐在我的母亲旁边。

youdao

I wasn't through three sentences before the lights came up again.

我还未讲完三句话，灯光又亮了起来。

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ONE reason why traffic is so appalling in Mexico City is that drivers routinely block others from crossing road junctions rather than miss the chance to edge forward before the lights change.

墨西哥城市交通差的一个原因，并不是在交通灯变化之前，司机们错过了前进的机会，而是他们阻挡了穿越三岔路口的人的路线。

youdao

But before the voting could begin, the lights went out.

VOA: special.2010.03.04

I knew the storyline before I went, but when the lights went down, and then the story came out.

我去看之前就知道故事情节了，但当灯光暗下来，演出开始，

歌剧魅影 - SpeakingMax英语口语达人

The source link below is still dead as of right now, but it simply can't be long before the lights are officially turned on.

ENGADGET: Google Drive official: 5GB of free storage, Chrome web apps, Wave-like sharing and editing (video)

Before the lights had gone out, the tourists had soaked in the spectacle: several million years old, wrinkled and tinted with orange, rising up nearly forty feet, as huge as a house.

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Cole returns to New York Fashion Week on Thursday after a seven-year hiatus, seemingly putting his hand on everything before the runway lights go up: the clothes, the shoes, the handbags, the hashtags.

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