roughshod

The farrier nailed roughshod horseshoes onto the mare before the mountain ride.

用法提示：roughshod 是形容词，作定语修饰 horseshoes，表示“装有防滑钉的”。

Because the horse was roughshod, the stable hand avoided walking too close behind it.

用法提示：roughshod 作表语，描述马匹处于装配防滑蹄铁的状态。

In winter, the draft horses were kept roughshod so they could pull sledges over icy roads.

用法提示：roughshod 在 kept roughshod 中作宾语补足语，表示保持该状态。