也许正是因为小狗吐着舌头的样子憨态可掬，把炎热的夏天表现的淋漓尽致，所以英文中，有了"the dog days of summer"的说法。这是指夏天最热的日子，也就是我们中国人说的“三伏天”。
We have nothing else to do except stay in the swimming pool in the dog days of summer.
Better be the head of a dog than the tail of a lion.
“A dog will not howl if you beat him with a bone.”
* 骨头打狗 狗不叫。
“A good dog deserves a good bone.”
“A living dog is better than a dead lion.”
“All are not thieves that dogs bark at.”
“A man has his hour, and a dog has his day.”
An old dog barks not in vain.
[谚]老狗不乱吠; 老狗一吠, 就得小心。
“An old dog bites sore.”
“An old dog cannot alter its way of barking.”
“A staff is quickly found to
beat a dog with. ”
“At open doors dogs come in.”
"Barking dogs seldom bite."
Beware of a silent dog and still water.
Dog does not eat dog.
Dogs that bark at a distance bite not at hand.
Dogs that run after many hares kill none.
Dogs wag their tails not so much in love to you as your bread.
Do not give a dog bread every time he wags his tail.