switch off

phrasal verb
1
to stop thinking about something or paying attention to something
بی‌توجهی کردن, بی‌توجه شدن, دور شدن ذهن, حواس‌پرت شدن
2
to turn a light, machine, etc. off/on by pressing a button or switch
خاموش کردن, قطع کردن
Please switch the lights off as you leave.
How do you switch this thing on?
The electricity has been switched off.
We only switched on halfway through the programme.