名词
中文翻译：障碍
同义词：
['barrier', 'obstacle']
例句：
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1. The road was so crowded that it became an embarrassment for the driver.
道路如此拥挤以至于对司机来说成了一种尴尬。
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2. The project faced numerous challenges and obstacles.
该项目面临许多挑战和障碍。
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3. The company's financial performance has been hampered by a lack of investment.
公司的财务状况因缺乏投资而受到阻碍。