egghead /ˈɛɡˌhɛd/

• 1. 

  N-COUNT If you think someone is more interested in ideas and theories than in practical actions you can say they are an egghead. 书呆子 [非正式]

  例：

  The committee was dominated by self-important eggheads.

  委员会被一群妄自尊大的书呆子控制着。