Chinese phrase
可以开〜吗？ ké yǐ kāi 〜 ma
Meaning
Can I turn on ___?
When to use it
A polite way to ask for permission to turn on something. It is often used for a light or another device.
Example dialogue
房间有点暗，可以开灯吗？ fáng jiān yóu diǎn àn ké yǐ kāi dēng ma
The room is a little dark. Can I turn on the light?
可以，我来开灯。 ké yǐ wǒ lái kāi dēng
Sure, I'll turn on the light.