sheep 羊,绵羊

　　as well be hanged for a sheep as for a lamb
　　一不做二不休(偷大羊或偷小羊都得挨绞刑。)

　　One scabbed sheep infects the whole flock.
　　一只羊生疮整群羊遭殃。

　　There is a black sheep in every flock.
　　到处都有害群之马。

　　sheep that have no shepherd
　　乌合之众

　 cat 猫

The cat shuts its eyes when stealing cream.
　　掩耳盗铃：猫偷吃奶油的时候,总是闭着眼睛。(观察一下)

　　The scalded cat fears cold water.
　　一朝被蛇咬,三年怕井绳。(被烫过的猫,连冷水也怕)

　　When the cat's away, the mice will play.
　　猫儿不在,老鼠成精(大王外出,小鬼跳粱)。

dog 狗

　　Scornful(Hungry)dogs will eat dirty puddings.
　　急不暇择,饥不择食。（饿狗连脏布丁也会吃）

　　love me, love my dog.
　　爱屋及乌。

　　Give a dog a bad(an ill)name(and hang him).
　　人言可畏。

　　Every dog has his day.
　　凡人皆有得意日。

　　Beware of a silent dog and still water.
　　提防不吠的狗,小心静止的水。

　　A staff [stick] is quickly [soon] found to beat a dog with.
　　欲加之罪,何患无辞。（要打狗总能找到棒子）

　　Barking dogs seldom bite.
　　爱叫的狗不咬人。(咬人的狗不露齿。)