形容词
中文翻译：Unknown
同义词：
['perilous', 'hazardous', 'risky']
例句：
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1.The climb was dangerous, and we had to be careful.
这次攀登很危险，我们必须小心。
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2.The road is dangerous, so please drive carefully.
这条路很危险，请开车小心。
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3.The project is dangerous, but it's necessary for the company's growth.
这个项目很危险，但对公司的成长是必要的。