Dogs have had a long partnership with human beings. They have been domesticated longer than any other animal. We depend on dogs for personal assistance, protection, companionship, and entertainment.
A seeing-eye dog helps blind people walk through public places.
A bomb-sniffing dog detects explosive devices.
Drug-sniffing dogs help the police discover illegal drugs.
A guard dog protects homes and buildings.
Many dogs are useful when hunting.
A lap dog sits in your lap and keeps you company.
A dog is a man’s best friend.
There are a lot of expressions that have the word "dog" in them:
The dog days of summer are the long hot days of July and August.
Kids who aren’t prepared for school will often say, "The dog ate my homework," whether they have a dog or not. (This is kind of a joke.)
If you get really sick, you might be as sick as a dog.
If you take a long walk, your dogs might start to bark. (Your feet might get tired.)
I wouldn’t send a dog out on a night like this. (The weather is really bad–heavy rain or snow.)
It’s a dog-eat-dog world. (People are very competitive, especially in business.)
It’s best to just let old dogs lie. (It’s often a good idea not to let old problems go. Just forget about them.)
He’s meaner than a junk yard dog. (He’s a very mean or dangerous person.)
You can’t teach an old dog new tricks. (It’s hard to learn new things when you get old.)
Every dog has its day. (Every dog has something good happen to it.)
Hot diggity dog! (This is great! This is fun!)
Do you like hot dogs? (A hot dog is a type of sausage made of processed beef, pork, or turkey.)
