Dreaming that the door key is lost may also mean that it is difficult for us to open the current situation and find a solution to the problem in reality. At this time, we should learn to wait patiently, look for opportunities, and never act rashly to avoid the deterioration of the existing situation. Or we should ask people around us for help, learn from their experiences and ideas and help us find a solution.
There is another explanation for the loss of the door key, that is, something unexpected happened and it was lost or gained its meaning. Maybe dreams tell us that unpredictable things will happen from time to time, and we need to accept failure and loss and keep hope. At the same time, the loss in the dream also reminds us to cherish the people and things around us, re-examine life through dreams and find what we really want.