An old dog bites sore.
Beware of a silent dog and still water.
Barking dogs seldom bite.
A dog will not howl if you beat him with a bone.
Dogs that bark at a distance bite not at hand.
If the old dog barks, he gives counsel.
In every country dogs bite.
Hungry dogs will eat dirty puddings.
Dogs wag their tails not so much in love to you as your bread.
All are not thieves that dogs bark at.
Every dog is valiant at his own door.
Every dog is a lion at home.
While the dog gnaws bone, companions would be none.
Two dogs strive for a bone, the third runs away with it.
Mad dog bites his master.
Too much pudding will choke dog.
Do not give a dog bread every time he wags his tail.
A living dog is better than a dead lion.
Love me, love my dog.
Let sleeping dog lie.
Help the dog over the stile.
Every dog has his day.
Give a dog a bad name and hang him.
He who has a mind to beat his dog will easily find a stick.
An old dog cannot alter its way of barking.
When a dog is drowning, every one offers him drink.
待到狗溺水，众人给水喝。 (来源：最老牌的英语学习网站 http://www.EnglishCN.com)
A swine over fat is the cause of his own bane.
Pigs may fly, but they are very unlikely birds.
Never cast your pearls before swine.
You cannot make a silk purse out of a sow's ear.
The cow that's first up gets the first of the dew.
Not all butter that the cow yields.
Many good cows have evil calves.
You cannot sell the cow and sup the milk.
Old oxen have stiff horns.
The ox is never woe, till he to the harrow go.
An ox is taken by the horns, and the man by the tongue.
If the ox falls, whet your knife.
The black ox has trod on his foot.
The ox when weariest treads surest.
The best horse needs breaking, and the aptest child needs teaching.
A horse that will not carry a saddle must have no oats.
A good horse oft needs a good spur.
An idle youth, a needy age.
Time is money.
Time and tide wait for no man.
Time tries all.
Time tries truth.
Time past cannot be called back again.