if not

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

ruУсловная фраза, используемая для введения альтернативы или исключения, означающая 'в случае, если что-то не является правдой или не происходит'.esFrase condicional usada para introducir una alternativa o excepción, que significa 'en caso de que algo no sea verdad o no suceda', o 'a menos que'.frLocution conditionnelle utilisée pour introduire une alternative ou une exception, signifiant « dans le cas où quelque chose n'est pas vrai ou ne se produit pas ».deKonjunktionale Wendung, die eine Alternative oder Ausnahme einleitet und bedeutet 'falls etwas nicht zutrifft oder nicht geschieht'.ptExpressão condicional usada para introduzir uma alternativa ou exceção, significando 'no caso de algo não ser verdade ou não acontecer'.zh表示条件或让步的短语，用于引入一种替代情况或例外；意为“如果不是这样”或“即使不……也”。arعبارة شرطية تُستخدم لإدخال بديل أو استثناء، بمعنى: في حال عدم صحة شيء ما أو عدم حدوثه.

1. Possibly even B2 formal

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

   • 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.

   ruВозможно дажеessi no (con valor de 'quizá incluso')frvoire mêmedeVielleicht sogarptPossivelmente atézh甚至可能arربما حتى

2. Otherwise B2 formal

   Used to introduce a contrasting or alternative situation.

   • 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.

   ruИначеessi nofrsinondeAndernfallsptCaso contráriozh否则arوإلا