What is the meaning "if a black dog is killed by a man in dreams"?

A black hairy dog was in open & was mad , angry & then a man came and he lured dog by showing love ,the dog got calm & sat on his lap . The men asked smthng & that’s was a “SHARP KNIFE” & he killed the dog in cold blood. Then poor people take the dog’s meat for eat & the killer took the skin .