Work like a dog?

@graaji (69)
India
October 7, 2006 2:48am CST
Why do people say, "you've been working like a dog" when dogs just sit around all day?
1 response
loved1
@loved1 (5328)
• United States
17 Oct 06
There are lots of dogs who work! Sheep dogs are a good example, as are police dogs, guide dogs, rescue dogs, and guard dogs.