Horse（马）在交通和军事方面的作用越来越小，但是它在人们生活当中留下的作用绝对不容小觑，现在就让我们来看看由horse组成的短语吧！
1. a horse pill 大药丸，大型丸剂
This is not a horse pill. This is your pain pill which doctor prescribed.
这不是大药片。这就是医生给你开的止疼药。
2. a horse laugh 狂笑，讥笑，不信任的笑
At the end of the joke she gave a horse laugh that could be heard a street away.
在那个笑话结束时，她发出一阵狂笑，隔着一条街都能听到。
3. a horse of a different color 完全是另一回事
Taking the exam is one thing but passing it is a horse of a different color.
考试是一回事；通过考试又是另一回事。
4. be on one's high horse 趾高气扬，藐视他人
Since Bob was elected president of the club, he's been up on his high horse.
自从鲍勃当选为俱乐部主席以来，他就趾高气扬起来了。
5. beat a dead horse 徒劳无益，白费口舌
I hate to beat a dead horse, but it is very important that you understand this before you leave.
我不想多此一举，但你离开以前必须了解这个。