Once training is over, the dog will work nights.

Each drop of the thermometer seemed a reminder that people and dogs work best when mixed together.

No dog could have worked harder than Rose or been of greater assistance to a beleaguered human.

As a new dog lover, do you think a dog would work well for one or both of those purposes?

The dogs must find and work the quarry one at a time.

The dogs worked in single file, one behind another, hauling on double traces.

There, only the poor people and dogs work in the sun!

The dog finally worked his back to the kitchen and headed for the bowls.

But if the dogs worked while he worked, that was another matter.

"These dogs," he said admiringly, "would work until they dropped dead if we let them."