1.halt vi. 跛行, 犹豫, 畏缩, 停止 vt. 使...停止

The soldiers halted for a rest.
士兵们停下来休息。

2.rein [rein] n. 缰绳, 统驭

The horse responds to the slightest pull on the rein.
只要缰绳稍稍一拉, 这匹马就有反应。

3.swallow n. 燕子

There are many swallows flying in the sky.
天空中有许多燕子。

4.ingenuous adj. 坦白的, 正直的, 天真的

She is too ingenuous in believing what others say.
她太天真, 轻信别人的话。

5.expel [iks'pel] vt. 驱逐, 逐出, 开除

He was expelled from the school.
他被学校开除了。

6.saddle ['sædl] n. 鞍, 车座, 山脊, 拖具

The saddle galled the horse's back.
马鞍擦伤了马背。