to start over again because the previous plan failed
recommencer car le plan précédent a échoué (recommencer car le plan précédent a échoué)
"Our experiment failed, so we have to go back to the drawing board."
"Notre expérience a échoué, nous devons donc repartir de zéro." (Notre expérience a échoué, nous devons donc **repartir de zéro**.)
to testify in court
to keep something in reserve for later use
to act unfairly or say something hurtful
very calm and composed
A work of outstanding artistry or craftsmanship.
to receive public attention or recognition