形容词
中文翻译：隐蔽的
同义词：
['secretive', 'covert', 'concealed例句：1. The thief was so stealthy that he managed to slip past the guards unnoticed.（这个小偷太隐蔽了，他成功地避开了守卫而没有被发现。）']
例句：
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1. The thief was so stealthy that he managed to slip past the guards unnoticed.
这个小偷太隐蔽了，他成功地避开了守卫而没有被发现。
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2. The new security system is designed to be stealthy, blending in with the environment.
新的安全系统设计得非常隐蔽，与环境融为一体。
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3.The spy used a stealthy approach to gather information without drawing attention.
间谍采用了一种隐蔽的方法来收集信息而不引起注意。