Idioms are usually a short phrase or expression and they are used to express something normal in an unusual way. They are used in everyday English expressions and we can hear many of them on a daily basis. Some idioms use the name of an animal and below are a few examples that native English speakers everywhere will recognise.

俚語是幾個文字組合後產生與單一文字原意不同且具其特別意義，它們多半是非常生活化的用語，有些俚語運用了各種動物來形容其情境，下面是一些母語為英語的人所熟悉的例句：

IDIOM（俚語）：

the cat's whiskers.
MEANING（意思）：to think you are the best.

SENTENCE（例句）：

That girl won the championship, but I think you are the cat's whiskers.
那女孩雖贏得冠軍，但我認為你還是最棒的。

IDIOM（俚語）：

from the horse's mouth

MEANING（意思）：
to get information from.
the original source

SENTENCE（例句）：

A: Who told you about the wedding
   婚禮的事，是誰告訴你的。

B: I got it from the horse's mouth.
   是當事人告訴我的啊！

IDIOM（俚語）：a white elephant.
MEANING（意思）：something that costs a lot of money but has no use.
SENTENCE（例句）：

Some people say that monuments are a white elephant and a waste of money.
有些人說建造那紀念碑實在是無意義的浪費錢。