switch on
phrasal verbswitch off/on | switch something off/on
- to turn a light, machine, etc. off/on by pressing a button or switch
关/开(电灯、机器等) - Please switch the lights off as you leave.
离开的时候请关灯。 - How do you switch this thing on?
这东西怎么开? - The electricity has been switched off.
电已经切断了。 - We only switched on halfway through the programme.
节目进行到一半时,我们才开始播放。
- Please switch the lights off as you leave.