They treated him like a dog.
他们把他看得猪狗不如。
There is no point in having a dog-eat-dog attitude.
狗咬狗是不对的。
Every dog is a lion at home. [Every dog is valiant at his own door.]
狗是百步王, 只在门前凶。
Beware of a silent dog and still water.
提防不吠的狗, 小心 静止的水。
Barking dogs seldom bite.
爱叫的狗 不咬人; 咬人的狗不露齿。
A good dog deserves a good bone.
好狗应该啃好骨头, 有功者受赏。
teach the dog to bark
教狗怎么叫(意指多此一举)
The dog returns to his vomit.
狗回头吃自己吐出来的东西; 重犯旧日罪恶。
A living dog is better than a dead lion.
死狮不如活狗。
An old dog barks not in vain.
老狗不乱吠; 老狗 一吠, 就得小心。
An old dog will learn no new tricks. (=You cannot teach old dogs new tricks.)
老狗学不了新把戏; 老年人很难适应新事物。
