Would you turn up the humidifier?

能把加湿器的湿度开大些吗？

There was a power failure yesterday afternoon.

昨天下午停电了。

Turn off the lamp. Turn on the lamp.

关灯。开灯。

Plug in the lamp.Unplug the lamp.

插上电源。拔下电源。

Switch (the power) on.Switch it off.

接通电源。关闭电源。

You have to turn the switch on before you use it.

使用前要先接通电源。

Be careful not to get an electric shock.

小心触电。

Thank you for the explanation (tips) on how to use it.

谢谢你告诉我使用方法。