If you dreamed about knives and blood: Helping people in need may have positive returns, but it may have different benefits for others to understand or see the reasons behind your actions. To see a knife and blood in your dream may represent that sooner or later you will be rewarded for your efforts, being a patient person, getting help from a loved one and coloring your life. To shed blood with a knife in your dream is interpreted as fulfilling your vow and leading a good life without any problems.