1. 拦截密码战：这本小说常被跟MartinCruzSmith的<高尔基公园>>与乔治欧威尔的<1984>>相提并论,在当年是畅销书,后来他陆续出版的作品如<大间谍>>(Archanged)、<拦截密码战>>(Enigma)也都被拍成电影.

1. 难解之谜;费解的事;费解的人
    If you describe something or someone as an enigma, you mean they are mysterious or difficult to understand.

    e.g. Iran remains an enigma for the outside world.
           对于外界而言，伊朗仍是个谜。
    e.g. ...a story which makes clear the modern enigma of spirituality.
           解开现代灵性之谜的故事

1. something that baffles understanding and cannot be explained

    e.g. how it got out is a mystery
           it remains one of nature''s secrets

    Synonym: mysterysecretclosed book

2. a difficult problem

    Synonym: riddleconundrumbrain-teaser