in a nutshell

副词 in a nutshell:

1. summed up briefly

1. Just give me the facts in a nutshell.
   只要简要地告诉我事实
2. To put it in a nutshell, we're bankrupt.
   简断截说，我们破产了。
3. That, in a nutshell, is what we're doing.
   简单地说，那就是我们正在干的事情。