帮 bāng to help 开 kāi to turn on; to open 灯 dēng light 好 hǎo OK 好了 hǎo le all right; finished 关 guān to turn off; to close 晚安 wǎn ān good night 开门 kāi mén to open the door 关门 guān mén to close the door 开窗 kāi chuāng to open the window 关窗 guān chuāng to close the window 开空调 kāi kōngtiáo to turn on the air conditioner 关空调 guān kōngtiáo to turn off the air conditioner 台灯 táidēng table lamp