机密
近义词与同义词
按词义分组列出，使用时请结合具体语境。
the state of being secret; "you must respect the confidentiality of your client's communications"
something that should remain hidden from others (especially information that is not to be passed on); "the combination to the safe was a secret"; "he tried to keep his drinking a secret"
基本解释
①重要而秘密～文件。②机密的事保守国家的～。