I have a dog friend

一只狗───a dog

a dog with a curly tail───卷尾巴的狗

A dog darted across the road in front of me.───一条狗突然在我面前窜过马路。

That's a pretentious name for a dog!───狗叫这个名字真够炫的！

I'm too old to have a dog now. I'm a cat woman.───我太老了，养不了狗。我喜欢养猫。

The whole place was a bit of a dog's dinner, really.───整个地方乌烟瘴气的，真的。

A 15-year lifespan is not uncommon for a dog.───15年的寿命对狗而言是比较常见的。

The majority of people own a dog for companionship.───大多数人养狗是为了有个伴儿。

Outside, a dog was barking.───外面，一只狗在叫。

Andrew went rigid when he saw a dog, any dog, anywhere.───安德鲁过去只要看见狗，无论在哪里，无论什么狗，都会吓得一动不动。

A dog will not howl if you beat him with a bone. 

Wash a dog, comb a dog, Still a dog, remains a dog. 

Give a dog a bad name and hang him. 

A man has his hour, and a dog has his day. 

A staff is quickly found to beat a dog with. 

Don't keep a dog and bark yourself. 

A dog is a man's best friend. 

Too much pudding will choke a dog. 

Why keep a dog and bark yourself?