This dream may symbolize feelings of vulnerability and danger in your waking life. The nighttime setting suggests a sense of darkness or uncertainty, while the trail surrounding a lake could represent a journey or path you are currently on. The woman walking behind you may represent a sense of being watched or followed, adding to the feeling of unease. The two men standing at the side of the trail could represent potential threats or obstacles in your path. When one of the men speaks to you, it could symbolize a warning or a call to pay attention to something important. However, the sudden attack with a knife suggests a betrayal or unexpected danger. The fact that you inform the man about the woman behind you could symbolize a desire for help or protection. The woman showing up after the attack could represent a sense of support or comfort in the face of adversity. Overall, this dream may reflect feelings of fear, vulnerability, and the need for protection in your waking life.