hurdles
n.
障碍( hurdle的名词复数 );
跳栏;
（供人或马跳跃的）栏架;
跨栏赛;
例句:
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So there aren't artificial hurdles to contend with.
来自WSJ
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The hurdles that had to be overcome were enormous.
来自BBC
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In starting a new company, many hurdles must be crossed.
刚开办一个公司时, 必须克服许多障碍.
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Davis won the 400m. hurdles in a new Olympic time of 49.3 sec.
戴维斯以49.3秒的成绩刷新奥运会纪录，在400米跨栏赛跑中一举夺冠。
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There are several hurdles to be got over in this project.
在这项工程中有一些困难要克服.
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There had been so many hurdles on the way.
来自BBC