Без пароля нельзя войти в аккаунт.

without

Breakdown of Без пароля нельзя войти в аккаунт.

• в: into
• пароль: the password
• аккаунт: the account

Questions & Answers about Без пароля нельзя войти в аккаунт.

Why is it без пароля, not без пароль?

Because без always requires the genitive case.

• Dictionary form: пароль
• Genitive singular: пароля

So:

• без пароля = without a password

This is a very common pattern in Russian:

• без сахара = without sugar
• без машины = without a car
• без времени = without time

What exactly does нельзя mean here?

Here нельзя means something like you can’t, it’s impossible, or it’s not possible.

So the structure is:

• нельзя + infinitive
• нельзя войти = it’s impossible / not allowed to enter, log in

In this sentence, the meaning is mainly practical impossibility: if you do not have a password, logging in cannot be done.

Why is it нельзя, not не можно?

Because не можно is not normal modern Russian.

Russian uses the pair:

• можно = one may / it is possible
• нельзя = one must not / it is impossible

So: