单词：anonymous 

形容词

• 
  [1.a.anonymous] (同义词:[anonymous( adj. 匿名的 )]  [anon.(adj.作者不详的, 无名的, 佚名的 )]  )
• 
  注释列句：having no known name or identity or known source; "anonymous authors"; "anonymous donors"; "an anonymous gift"
• 近义词 -> [nameless( adj. 无名的, 不知名的, 匿名的, 不可名状的, 难以形容的 )] 
  反义词 -> [onymous( adj. 署名的 )] 
  派生词 -> [anonymity( n. 匿名, 作者不明(或不详) )] 
  
• 
  [2.a.anonymous] (同义词:[anonymous( adj. 匿名的 )]  )
• 
  注释列句：not known or lacking marked individuality; "brown anonymous houses"; "anonymous bureaucrats in the Civil Service"
• 近义词 -> [faceless( adj. 姓名不祥的, 不露面 )] 
  派生词 -> [anonymity( n. 匿名, 作者不明(或不详) )]