关闭引擎 meaning in Chinese

turn off engine no smoking

A pretty big relief to get it landed and then getting it shut down
飞机着陆后真是松了一大口气，然后关闭引擎。
The driver switched off the engine whenever he could and just coasted along to save oil
为了节省汽油，司机每有可能就关闭引擎让车滑行。
Be sure to hold down off on the unit to turn off the clock display after turning off the engine
在关闭引擎后务必按住本机上的off按钮关闭时钟显示。
Will the government inform this council whether it has considered introducing legislation requiring motorists to switch off the engines of vehicles while waiting so as to reduce vehicle emissions , thus causing less air pollution ; if not , why not
政府可否告知本局，有否考虑立例规管车辆在停车等候时须关闭引擎，以减少车辆排出的废气，从而减低对空气的污染若否，原因为何？