obstacle

noun
B2+
1
B2+
a situation, an event, etc. that makes it difficult for you to do or achieve something
مانع, سد
synonym hindrance
2
C1+
an object that is in your way and that makes it difficult for you to move forward
مانع, سد
The area was full of streams and bogs and other natural obstacles.
He managed with difficulty to negotiate the obstacles strewn across the floor.
3
a fence, etc. for a horse to jump over
حصار پرش, مانع پرش, مانع سوارکاری, فنس, نرده
This huge open ditch forms the biggest obstacle on the course.