When you move from indoors to outdoors you're ceding an element of control over the light.

当你从室内转移到室外时，你控制光的能力就被削弱了。

youdao

She reached over and flipped off the light.

她伸过手去关掉了灯。

《牛津词典》

Only light vehicles are allowed over the old bridge.

只有轻型车辆才准许通过那座旧桥。

《牛津词典》

At the top of rocks was a man, his body was almost hidden by the storm clouds that hung low over the light house.

VOA: special.2010.05.08

And of course it exists in a semiotic relationship to a white light over a street door which means "this is my house; if you wish you can ring the bell but I'd just as soon you stayed out."

当然它是存在于一个语义篇中的,而临街门上的白灯则意味着,这是我的房子，你要进来必须按门铃,但是你最好别进来“

耶鲁公开课 - 文学理论导论课程节选

Obviously, it doesn't mean "come in" in the sense of the red light over a street door.

当然，它不像临街灯一样表示,进来吧。

耶鲁公开课 - 文学理论导论课程节选

When he failed yet again to push someone over to the light side, he knew something was wrong.

CNN: STORY HIGHLIGHTS

Economists would say the rising prices are like the check engine light coming on on the dashboard, and to lift the gas tax would just put a piece of black tape over the warning light.

NPR: 2 of 3 Presidential Hopefuls Back Gas Tax Holiday

Goodwin immediately gave Fish the green light over the phone and pitched to RBS' board.

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