It was an hour before the lights came on again.

一个小时后灯才再亮了。

《牛津词典》

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。

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.

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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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