nutshell /ˈnʌtˌʃɛl/

• 1. 

  PHRASE You can use in a nutshell to indicate that you are saying something in a very brief way, using few words. 简而言之 [usu PHR with cl]

  例：

  In a nutshell, the owners thought they knew best.

  简而言之，业主们认为自己最了解情况。