n.  障碍，困难 ≈ obstacle

n. 〔跨栏赛跑或马术比赛中用的〕栏架

v. 〔跑步过程中〕跨越

v.  参加跨栏赛跑

• overcome/clear/get over a hurdle  成功克服困难

• the 100-metres/400-metres hurdles  100米/400米跨栏赛跑

• Finding enough money for the project was the first hurdle. 第一道难关是为该项目筹措足够的资金。

• He hurdled the fence and ran off down the street. 他跨过围栏沿那条街逃走了。

• Davis won the 400 metre hurdles in a new Olympic time of 49.3 sec. 戴维斯以49.3秒这一新的奥运会记录在400米跨栏赛跑中夺冠。

BrE /əˌbriːviˈeɪʃn/