Chomper acts as a watch dog to the house at night.

They form strong bonds with their owners and therefore are natural watch dogs.

Monitor natural resource management agencies by serving as a "watch dog" for the public interest.

Known for working on several corruption cases earned him the nickname the "watch dog".

It is very good at tracking and makes an excellent watch dog.

George said he had Harry, a trained watch dog.

This awareness will serve as a watch dog to restrain the prices.

May is responsible for investigating and being a watch dog.

And you know that worries me more than anything because he's al ways been such a good little watch dog.

This makes them excellent watch dogs because they will sound the alarm when anyone gets near.