Dirty Hands

The primary symbolism of a hand in a dream is hard work, thus, to see dirty hands signifies  that someone is going to struggle in life but will have rewards in the future.  When you dream of more than one dirty hand, think of the significance of that hands is there something you are trying to keep hidden?
You should also consider the symbolism of the dirt in the dream. Are you being stealthily or crafty in pursuit of your desires? The hand serves as a mirror to how one interact's with people, events, and work. Hands also reflect the emotions and the mood that an individual is currently experiencing.