What does "turn off" mean?

To deactivate a device To stop a device from operating by cutting its power.

How do you use "turn off" in a sentence?

Turn off your phone during the film. I turned off the computer. Please turn off the lights.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Neutral

Meaning: To deactivate a device

关闭设备

Desactivar un dispositivo

機器の電源を切る

기기의 전원을 끄다

To stop a device from operating by cutting its power.

通过切断电源使设备停止运行。

Detener el funcionamiento de un dispositivo cortando su alimentación.

電源を切ってデバイスの動作を停止させること。

전원을 차단하여 기기의 작동을 멈추게 하다.

Base verb: turn

Particle: off

Separable: Yes — the object can go between the verb and particle

Turn off your phone during the film.
看电影时请关掉手机
Apaga el móvil durante la película
映画中は携帯電話の電源を切ってください
영화 중에는 휴대폰 전원을 꺼 주세요.
I turned off the computer.
我关了电脑
Apagué el ordenador
パソコンの電源を切った
컴퓨터 전원을 껐다.
Please turn off the lights.
请关灯
Por favor, apaga las luces
電気を消してください
불 좀 꺼 주세요.

Context: devices, power, control

Tone: practical

From turning a dial or switch to the off position.

Era: Modern

Generation: All ages

Social background: Universal