名词
中文翻译：危险
同义词：
['risk', 'peril', 'hazard']
例句：
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1.The climb was extremely dangerous and required careful planning.
这次攀登极其危险，需要周密的计划。
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2.He took a risk by investing in a startup company.
他冒着风险投资了一家初创公司。
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3.The decision to move abroad was a perilous one for him.
决定出国对他来说是一个危险的决定。