The hot/cold tap Turn the tap on/off.

热/冷水龙头打开/关闭水龙头。

The orchestra went on/off stage to great applause.

管弦乐队在热烈的掌声中走上/走下舞台。

Compiler switch to turn debugging messages on/off?

编译器开关打开/关闭调试消息吗?。

The Fatigue Consumption option can be turned on/off.

可以设置是否使用疲劳值功能。

Serve guests get on/off car. Keep order and be safety.

服务客人上下车，维持大门前交通秩序及安全。

Do not get on/off the train when the door-bell buzzes.

列车门蜂鸣声响，请勿上下列车。

Setup is simple with a simple on/off switch on both devices getting them going.

的设置是简单的与这两个设备让他们正在进行一个简单的通/断开关。

But in so doing, we have lost the On/Off button: I love being my Facebook self some places, but how do I turn it off on-the-fly?

但这样做却让我们失去了控制能力：我只喜欢在某些地方与Facebook相连，但我如何能够即时的关闭这种连接？

A governor on/off switch will be connected onto the cable boom.

总督On / Off开关将连接到有线电视蓬勃。

And we go further and I give them these little stickers with an on/off button on them.

而后，更进一步，我给了他们一些贴纸，上面有开关按钮。