Dreams involving shadowy figures can often represent aspects of the unconscious mind, fears, or unresolved issues. The two tall dark figures might symbolize feelings of being overwhelmed or threatened by something you can't fully see or understand. The act of placing a white rose corsage on your arm could signify an attempt to bring beauty or peace into a situation that feels ominous or intimidating.

The left arm often symbolizes intuition and receiving, while the white rose traditionally represents purity and new beginnings. This combination could suggest that you are being confronted with a situation that requires you to trust your intuition and embrace change or transformation, even if it feels daunting.

Consider reflecting on any current situations in your life where you feel pressured or influenced by others. This dream might be encouraging you to acknowledge these feelings and seek a balance between embracing new experiences and protecting your personal space.