To see a fork in a dream could either good sign, either bad one depending on the circumstances of the dream. One of the theories foretells that the dreamer is trying to reach the target very hardly, using everything he has got. If someone has been stabbed with the work, then it shows your personality where you do not know what to choose. You are being too picky. If the other person eating his dish with the fork, then such dream is a good sign, because it shows that the person who ate with the fork will help you in any situation.
Read more about dreaming of Fork in other dream meanings interpretations.