Once upon a time there was a dog

一只狗───a dog

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

a dog with a kink in its tail───尾巴上有个结的狗

A dog suddenly howled, baying at the moon.───一只狗突然对着月亮狂吠不止。

A cat can retract its claws, but a dog can't.───猫的爪子可以缩进去, 但狗不能.

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

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

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

As I was passing the gate, a dog flew out at me.───当我经过门口时, 一只狗向我扑来.

a dog with a curly tail───卷尾巴的狗

A staff is quickly found to beat a dog with. 

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

Why keep a dog and bark yourself? 

Give a dog a bad name and hang him. 

Too much pudding will choke a dog. 

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

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

A dog is a man's best friend. 

Don't keep a dog and bark yourself.