1.
Please put out the light before you go to bed.
上床之前请把灯关掉。
2.
Turn off the light before you leave.
离开前请把灯关掉。
3.
Put the light out before you go to bed.
你睡觉之前请把灯关掉。
4.
The room is bright enough now,please turn the light off.
屋里现在够亮了，请把灯关掉。
5.
to turn (an electric light or apparatus) off by means of a switch
把(电灯或电器)关掉,关上
6.
Do you mind if I turn off the light ?
我把灯关掉你不反对吗？
7.
You'll save electricity by turning off lights not in use.
把不用的灯关掉能省电。
8.
He turned off the light before going out.
他出门前把灯关掉。
9.
Please ensure that all the light is switched off at night.
夜间请务必将所有的灯关掉。
10.
Please ensure that all the light be switched off at night
夜间请务必将所有的灯关掉
11.
Please ensure that all the lights are switched off at night.
夜间请务必将所有的灯关掉.
12.
Could you put the lights off before you leave?
你走的时候把灯关掉好吗?
13.
Do not ask me who put out the light .
我不知道谁把电灯关掉的。
14.
Mario. Will you switch the kitchen light off ?
马里奥，你把厨房的灯关掉好吗？
15.
The idea of switching off all the lights popped up in my mind.
我突然想到要把所有的灯都关掉。
16.
Be sure to switch off the light when you leave the room.
你离开房间时一定要把灯关掉。
17.
Be sure to switch off the light when you leave the office.
你离开办公室时务必把灯关掉。
18.
To turn off(a light or television set).
关掉关掉（电灯或电视机）