If you have dreamed of a mouse killing a cat in a dream: But money can't help you in this sense, there doesn't seem to be any problem that you can't handle because your mental structure is very active. If a mouse kills a cat in your dream, it signifies that you will become aware of some malicious people around you, and thus, you will approach success step by step, and you will gain fame by doing admirable works. Being happy when a mouse chases a cat in a dream indicates a happy and peaceful life and the disappearance of problems.