GbEng
离开房间前,请把灯关掉。 Please turn the light off before leaving the room.
请把电源关掉。 Please turn off the electric power.
如果机器出故障,就把开关关掉。 Turn off the switch when anything goes wrong with the machine.
听到煤气的嘶嘶声,他冲进来把它关掉。 Hearing the hiss of gas, he rushed in and turned it off.
我出门之前,把煤气的总阀关掉了。 I turned the gas off at the mains before I went out.