Please switch off the lamp.

请关掉台灯

Can his lordship manage to switch off the TV?

请阁下设法关掉电视机好不好？

The main thing to remember is to switch off the burglar alarm.

最要紧的是记住关掉防盗报警器的开关。

Learn to switch off from work by leaving the office, switch off the BlackBerry, and do not take any calls at a certain time after work.

学会离开办公室停止工作，关掉黑莓，下班后的某个特定的时间不接任何电话。

Thankfully, I've learned to switch off and let it go over my head.

谢天谢地，我已经学会了不再烦恼，把它抛到脑后。

Turn the light off as you go out.; Please switch off the lights when you leave.

出门时请随手关灯。