if not

• Условная фраза, используемая для введения альтернативы или исключения, означающая 'в случае, если что-то не является правдой или не происходит'.

A conditional phrase used to introduce an alternative or exception, meaning 'in the case that something is not true or does not happen'.

1. Possibly evenB2formal

   Used to suggest that something might be even more true or extreme than previously stated.

   Возможно даже

   • The project will take months, if not years, to complete.
   • She is one of the best, if not the best, player on the team.
   • The cost is high, if not prohibitive, for most people.

2. OtherwiseB2formal

   Used to introduce a contrasting or alternative situation.

   Иначе

   • You should leave now, if not you'll miss the train.
   • Finish your homework, if not you can't go out.
   • We need to act quickly, if not the opportunity will be lost.