back and forth

• Expresión que describe un movimiento en una dirección y luego en la opuesta, repetido varias veces; también se usa para un intercambio o discusión en el que argumentos o ideas se comunican de un lado a otro entre dos o más partes.

An expression describing movement in one direction and then the opposite direction repeatedly, or a discussion where arguments are exchanged between two or more parties.

1. Movement in opposite directionsA2formal

   Moving from one place to another and back again repeatedly.

   ida y vuelta

   • The pendulum swung back and forth.
   • He paced back and forth in the waiting room.
   • The boat rocked back and forth on the waves.

2. Exchange of ideas or argumentsB1informal

   A discussion or argument where opinions are exchanged repeatedly.

   Intercambio de ideas o argumentos

   • They went back and forth about the best solution.
   • The debate was a lively back and forth between the candidates.
   • After much back and forth, they finally reached an agreement.