in a nutshell

en resumidas cuentas

• In a nutshell, the project is over budget and behind schedule.
• In a nutshell, our vacation was a disaster from start to finish.
• The professor explained the theory in a nutshell during the last five minutes of class.

This phrase is used in both informal and formal contexts to convey information concisely. It's common in everyday conversation and writing. It is used to give a general idea without going into details.

A common mistake is using the structure 'in a resumidas cuentas', attempting to translate the Spanish phrase directly. This literal translation does not make sense in English.

• get the hang of (something)
  agarrar el truco a algo
• spill the beans
  irse de la lengua, soltar la sopa
• under the weather
  no sentirse bien, estar pachucho
• miss the boat
  perder el tren, dejar pasar la oportunidad