If you saw someone opening a door in your dream: You get rid of many negativities, if you trust others too much, you may have problems with your partner or a person you work with. To see that someone opens a door in your dream denotes good developments in your business life, living a peaceful and full life, being a patient person and enjoying life. Asking someone to open a door in your dream indicates that you will be happy by marrying the person you love soon.