uninitiated       
adjective uk/ˌʌn.ɪˈnɪʃ.i.eɪ.tɪd/ us/ˌʌn.ɪˈnɪʃ.i.eɪ.t̬ɪd/
 外行的;缺少经验的
not having knowledge or experience of a particular subject or activity
  The author's goal was to introduce uninitiated readers to the area. 作者的目标是向未入门的读者介绍该领域。 
 To the uninitiated outsider, all this would be completely incomprehensible. 对于外行人来说,这一切都是完全无法理解的。 
 - More examples
 - An uninitiated observer might not have known that anything unusual was happening.
 - I found myself receiving strange looks from uninitiated onlookers.
 - The world of hospitals and doctors has its own language, which she translates for the uninitiated reader.