nutshell，英语单词，主要用作名词、及物动词，作名词时译为“坚果的外壳；小的东西，小容器”，作及物动词时译为“概括”。

柯林斯英汉双解大词典

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]

Nutshell Library 坚果图书馆

The Nutshell 坚果壳

T Nutshell 蓝调摇滚

ground nutshell 碎坚果壳

Nutshell Presentation 简短介绍自己

Lady Nutshell 坚果壳小姐

nutshell detail 坚果外壳

tung nutshell 桐壳

a nutshell 简言之 ; 概括地讲