trial run

• Execução ou sessão experimental realizada para avaliar o desempenho, o funcionamento ou a eficácia de algo antes de sua adoção definitiva ou uso oficial.

A preliminary test or practice session conducted to evaluate the performance, functionality, or effectiveness of something before its full implementation or official use.

1. Preliminary testB2formal

   A test or practice of a new procedure, system, or product to see if it works correctly before full implementation.

   Teste preliminar

   • We did a trial run of the software before launching it.
   • The team conducted a trial run of the emergency evacuation plan.
   • She performed a trial run of her presentation for feedback.