Parts of the machine were grinding together noisily.

机器零件摩擦发出刺耳的声音。

《牛津词典》

As one of important machines for precisely machining, the grinding machine occupies a heavy proportion in them.

磨床作为一种重要的精密加工设备，在机床设备中占有较大的比例。

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Another type of grinding machines is surface grinding machine.

另一种类型的磨床是平面磨床。

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That money has oiled the gears of a banking machine that was grinding to a disastrous halt, lifting worries that euro-zone banks would lose access to funding as they tried in vain to raise money from unwilling investors.

WSJ: Euro Crisis Clouds Global Outlook

If you're tired of seeing those poor excuses for universal docks that connect via USB 2.0 -- most of which can't even export video without bringing your machine to a grinding halt -- you'll be elated to know that Belkin has upped the ante on the lackluster alternatives with its Notebook Expansion Dock.

ENGADGET: Belkin unveils ExpressCard Notebook Expansion Dock

His clients described the atmosphere at the court as something reminiscent of the siege itself - cramped stuffy place, where they had to sit for hours getting bored to death by the slow grinding law machine.

BBC: Chaos in court for Moscow claim