back and forth

• Выражение, описывающее движение в одном направлении, а затем в противоположном, повторяющееся многократно, или обсуждение, в котором аргументы обмениваются между двумя или более сторонами.

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.

   Взад и вперёд

   • 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.

   Обсуждение

   • 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.