If you have seen a metal knife in a dream: It is useful to keep a distance from people who approve of you or cause you to compromise on lifestyles that do not suit you, try to remain calm in the face of conflicts. To see a metal knife in a dream also reflects that you are a person with a tough temperament and that there will be people with whom you will cut off your relationship with the past or in your life, to have arguments and to be unhappy.