a problem or difficulty that must be solved or dealt with before you can achieve something
مانع, مشکل, دشواری, سد راه, مانعی بر سر راه
The next hurdle will be getting her parents' agreement.
Well we’ve cleared the first hurdle; let’s see what happens next.
The plan fell at the first hurdle.
We worked hard for three months on the deal only to see it fall at the final hurdle.
synonym obstacle