Obstacle (noun)
رکاوٹ، آڑ، اٹکاﺅ
a thing that blocks one’s way or prevents or hinders progress.
Example: “the major obstacle to achieving that goal is money”
Persist (verb)
باقی رہنا، قائم رہنا، ثابت قدم رہنا
continue in an opinion or course of action in spite of difficulty or opposition.
Example: “the minority of drivers who persist in drinking”