This is the 4138th most frequent Russian word.
разве
"Разве" is a particle used to express doubt, surprise, or to ask for confirmation, often translated as "really" or "is it true that."
Here, 'разве' is used to introduce a rhetorical question, implying surprise or seeking confirmation of an obvious fact.
Разве это не прекрасно?
Isn't it wonderful?
In this sentence, 'разве' expresses an assumption or surprise that the speaker thought the listener was already aware of the information.
Ты разве не знал об этом?
Didn't you know about it?
Here, 'разве' is used to question the permissibility or appropriateness of an action, often emphasizing moral judgment or rules.