turn off
US /tɜːrn ɔːf/
UK /tɜːrn ɔːf/

1.
關掉, 關閉
to stop the operation or flow of something by means of a switch, button, or other control
:
•
Please turn off the lights when you leave.
離開時請關掉燈。
•
Don't forget to turn off your phone during the movie.
看電影時別忘了關掉手機。
2.