in a nutshell
US /ɪn ə ˈnʌt.ʃɛl/
UK /ɪn ə ˈnʌt.ʃɛl/

1.
간단히 말해서, 요약하자면
in the fewest possible words; briefly
:
•
To put it in a nutshell, we're bankrupt.
간단히 말해서, 우리는 파산했다.
•
Can you explain the whole situation in a nutshell?
전체 상황을 간단히 설명해 줄 수 있니?