Dumb dogs are dangerous.

　　* 哑犬最凶恶。

　　Every dog is a lion at home.

　　* 夜郎自大。

　　Every dog is valiant at his own door.

　　* 狗在家门前条条都凶悍。

　　Every dog has his day.

　　[谚]凡人皆有得意日。

　　Give a dog a bad name and hang him.

　　* 欲加之罪，何患无词。

　　He who has a mind to beat his dog will easily find his stick.

　　* 欲加之罪，何患无辞。

　　"Help a lame dog over a stile."

　　助人度过难关。雪中送炭

　　Hungry dogs will eat dirty puddings.

　　* 饥不择食。

　　If the old dog barks, he gives counsel.

　　* 如果老狗叫，他是给忠告。

　　If you want a pretence to whip a dog, say that he ate the frying-pam.

　　* 欲加之罪，何患无辞。

　　In every country dogs bite.

　　* 天下的狗都要咬人。

　　Let sleeping dogs lie.

　　* 不要惹事生非

　　"Lie down with dogs, wake up with fleas."

　　* 近朱者赤,近墨者黑

　　Look not for musk in dog's kennel.

　　* 狗嘴里吐不出象牙。

　　Love me, love my dog.

　　* 爱屋及乌。

　　One barking dog sets all street a-barking.

　　* 一狗吠声响，狗吠满街坊。

　　Scornful dogs will eat dirty puddings.

　　* 神气的狗也会吃赃布丁的。

　　Take a hair of the dog that bit you.

　　* 以毒攻毒。

　　The cat and dog may kiss, yet are none the better.

　　* 猫犬可相吻，莫逆却难成。

　　The dogs bark, but the caravan goes on.

　　* 我行我素，岂管他哉。

　　The dog that fetches will carry.

　　* 来道是非者，便是是非人。

　　An old dog will learn no new tricks.

　　(=You cannot teach old dogs new tricks.)

　　[谚]老狗学不了新把戏;

　　老年人很难适应新事物。