If you dream of being assaulted suddenly from ambush be aware of that as there might be some kind of threat. There is something that is disturbing you from moving forward and trying to reach the target you were aiming for. This dream represents your strengths and your ability of moving forward and removing obstacles you are facing of. When you dream of seeing yourself lying in the ambush it represents that you will cheat on people you love, so you should try to avoid that and be honest with them.
Read more about dreaming of Ambush in other dream meanings interpretations.