grind down

Mills used to use heavy stones to grind down the wheat into flour; now they use more modern machinery.

磨房过去使用笨重的石磨把麦磨成面粉；现在它们使用的是比较现代的机械。

They make buttons from bones and grind down skeletons for fertilizer and porcelain.

他们利用牛骨做扣子，把骨架打磨成粉用作肥料或是制作瓷器

However, growth is likely to grind down again in the first half of 2012 to less than 2%.

但2012年上半年的增幅可能会回落至不到2%的水平。

That is what English teams do: grind down their rivals with their enormous budgets and extensive scouting networks.

这就是英格兰球队所做的：以巨额的财政预算及庞大的球探网络打压对手。