HSK 3
关机
guānjī动
to turn off (a machine or device); to finish shooting a film
飞机起飞以前请把手机关机。
Fēi jī qǐ fēi yǐ qián qǐng bǎ shǒu jī guān jī.
Turn off your phone before the plane takes off.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 3.