He is going to turn on the light.

他准备把灯打开。

youdao

We troubled him to turn on the light.

我们麻烦他打开电灯。

youdao

There's no need to turn on the light.

不用开灯。

《新英汉大辞典》

They used light-sensitive molecules to turn on and off nerve cells in the deep brain structure of mice.

VOA: special.2009.04.07

"You don't want to turn on the overhead light, " he says.

WSJ: At My Vanity: Wolfgang Joensson

Once the Zeo headband captures that unique eye signal, and transmits it via sleepstreamonline.com to the second dreamer, it will turn on a colored light where the other dreamer is, to send them a cue too .

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Users would be able to program lights to automatically turn on and off when people are in the room, to adjust light levels to the amount of daylight coming into a room and to turn on and off or dim at different times via the Internet.

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