in a nutshell

Sens

very briefly, giving only the main points

Très brièvement, en ne donnant que l'essentiel.

Exemples

1. 1In a nutshell, the plan is to save money by cooking at home more often.
2. 2Can you tell me in a nutshell what the film is about?
3. 3The meeting lasted two hours, but in a nutshell, nothing is going to change.
4. 4Her twenty-page report says, in a nutshell, that the shop should close on Sundays.
5. 5Without all the details, the story in a nutshell is that we missed the last train.

Grammaire

Expression figée : in a ne change pas. Existe aussi sous la forme put something in a nutshell ou to put it in a nutshell.