Make sure to turn off the light before you leave.

临走前一定要熄灯.

《简明英汉词典》

He puts out his hand to turn off the light.

他伸手去关灯.

《现代汉英综合大词典》

Please turn off the light. We do not need it now.

请把灯关掉. 我们现在不需要它.

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Whoever leaves the classroom last should turn off the light.

不管谁最后离开教室都应把灯关了.

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Well, honey, turn off the light, lie down and go to sleep.

嗯, 亲爱的, (现在)把电灯关了, 躺下来睡觉.

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Be sure to turn off the light before you go to bed.

别忘了睡觉之前关掉电灯.

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Will you please turn off the light when you leave?

你离开时请关灯好 吗 ?

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Do you mind if I turn off the light?

我把灯关掉你不反对 吗 ?

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Please do not forget to turn off the light.

请别忘了关灯.

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Turn off the light.

关掉电灯.

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Should I react or turn off the light?

我是应该让它继续还是关灯结束?

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Turn off the light before you leave.

离开前请把灯关掉.

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I turn off the light.

我熄灯.

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Don't forget to turn off the light.

别忘了关灯.

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Turn off the light when you cut out.

离开的时候请把灯关掉.

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