waste of time

• Деятельность или усилие, которые являются непродуктивными, бессмысленными или не стоят потраченного на них времени.

An activity or effort that is unproductive, pointless, or not worth the time spent on it.

1. Unproductive activityA2informal

   An activity or task that does not produce any useful result or benefit.

   Пустая трата времени

   • Waiting in line for two hours was a complete waste of time.
   • He thinks playing video games is a waste of time.
   • Don't waste your time arguing with him.

2. Ineffective effortB1informal

   Effort that leads to no meaningful outcome or achievement.

   Пустая трата времени

   • Trying to fix that old computer is a waste of time.
   • The meeting was a waste of time; nothing was decided.
   • She felt that the training session was a waste of time.