Site icon Learn American English Online





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.)

Click here to learn more words.

February 4, 2014



Exit mobile version