We're trying to ratchet down the administrative costs.

我们正想法使行政管理的成本稳步降低。

《柯林斯英汉双解大词典》

This trapping of heavier objects — moving them upward when one would expect them to fall down — is the essence of a ratchet.

这种对较重物体的捕获机制——人们觉得重物体会向下走，然而捕获机制会使它们向上——这种机制正是棘轮的本质。

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Each tooth on a ratchet has two sides, one that goes up and one that goes down.

棘轮上的每一个齿有两个边，一个向上，一个向下。

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