He turned in his chair and switched off the recording machine.

他在椅子上转过身， 关掉了录音机。

You can switch that machine off.

可以关掉投影机了。

They would switch machines occasionally and see who could turn out the most bolts.

他们偶尔会换机器， 看看谁能拧出最多的螺栓。

He and his wife took the painful decision to switch off their son’s life support machine.

【painful】他和妻子痛苦地决定切断儿子的生命维持器。

These phone switching machines require intense security and they have to run no matter what—after all, if the machines stop working, the phones stop working.

这些电话交换机需要严格的安全保护， 无论如何它们都必须运行——毕竟，如果机器停止工作， 电话也会停止工作。

The joke was that there'll be certain old guys who forgot the charging cable but didn't notice until Covid was over because they never actually switched their machines on.

开玩笑的是， 有些老家伙忘记了充电线， 但直到 Covid 结束才注意到， 因为他们从未真正打开过机器。

But the collapse of these enterprises could imperil the underlying tech by taking out chunks of its value, making the chains more exposed to would-be attackers and pushing miners or stakers to switch off their machines.

但这些企业的倒闭可能会危及基础技术，因为它会损失其大部分价值，使区块链更容易受到潜在攻击者的攻击，并迫使矿工或利益相关者关闭他们的机器。