关机

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Character Breakdown

Meaning and Usage

"关机" means to turn off an electronic device, especially computers, phones, or other machines. It literally combines "" (to close or shut) and "" (machine/device).

Common Contexts

This term is commonly used when referring to powering down devices to save energy, perform maintenance, or when the device is not in use.

Collocations and Patterns

  • 关机时间 (shutdown time): the scheduled time to turn off a device.
  • 关机 (shutdown and restart): often used in troubleshooting.
  • 自动关机 (automatic shutdown): when a device powers off by itself.

Usage Notes

"关机" is a neutral and standard term used in both formal and informal contexts. It differs from "关闭" which can mean to close or shut down more generally, not only machines. Avoid confusing "关机" with "开机" (turn on device).

Common Mistake

Do not use "关机" for non-electronic objects; it specifically refers to turning off machines or devices.

Example Sentences

Please turn off the device before leaving the office.

My phone is out of battery, I have to turn it off to charge.

After shutting down the computer, please do not unplug the power cord