in theory

• Используется для указания на то, что что-то считается истинным или возможным на основе абстрактных рассуждений или принципов, хотя на практике это может не работать.

Used to indicate that something is believed to be true or possible based on abstract reasoning or principles, though it may not work in practice.

1. Based on abstract reasoningB2formal

   According to an idea or principle, but not necessarily in practice or reality.

   Теоретически

   • In theory, the plan should work perfectly.
   • In theory, everyone has equal opportunities.
   • In theory, the machine can run for hours without stopping.

2. HypotheticallyB2formal

   Used to describe something that is possible or true in an ideal situation, but may not happen in reality.

   Теоретически

   • In theory, we could finish the project in one day.
   • In theory, the new policy should reduce costs.
   • In theory, the drug should cure the disease.