To see a mousetrap in your dream means that you need to be cautious of shady people around you who don’t have your best interests at heart.
If you dream that you are setting a mouse trap, you will outwit your opponents.
[1]Dreams of a mousetrap signifies that you are being set up, or that you are setting a trap for someone else to get caught. You are feeling cautious, suspicious, and unsafe.
[2]