object lesson

• Lección práctica o demostración que sirve como ilustración clara de un principio, frecuentemente usada para enseñar una lección moral o práctica mediante un evento o situación real.

A practical example or demonstration that serves as a clear illustration of a principle, often used to teach a moral or practical lesson through a real-life event or situation.

1. B2formal

   A striking or practical example of a principle or ideal, often used to teach a lesson.

   lección objetiva

   • The failed project was an object lesson in poor planning.
   • Her success is an object lesson in hard work and dedication.
   • The accident served as an object lesson about the dangers of texting while driving.