obstacle /ˈɑːbstɪkəl/ noun plural obstacles
plural obstacles
Learner's definition of OBSTACLE
[count]
1
: something that makes it difficult to do something障碍；阻碍 -
He overcame the obstacles of poverty and neglect.他克服了贫困和被忽视带来的阻碍。
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They must overcome a number of obstacles before the restaurant can be opened.他们必须克服一些障碍，饭店才能开业。
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Lack of experience is a major obstacle for her opponent.缺乏经验是她的对手的主要障碍。
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an obstacle to learning/progress学习/进步的障碍
2
: an object that you have to go around or over : something that blocks your path障碍物