fall into a trap

verb2

1. •
   To make a mistake, a bad decision or act senselessly and get into an extremely difficult situation.

   • If you are not careful, you can fall into a trap of focusing too much on getting more loans instead of paying off other bills.
2. •
   To be fooled and get into a difficult situation by relying on someone or responding to a scam, trick or prank.

   • He fell into a trap by believing his childhood friend and giving away all of his savings.