the genie has been let out of the bottle
/ðə ˈdʒiː.ni həz bɪn ˌlet aʊt əv ðə ˈbɒt.əl/idiom
something has started or been revealed and can no longer be stopped, controlled or undone
джинна выпустили из бутылки: назад уже не вернуть
Русский аналог: «выпустить джинна из бутылки»
Часто говорят короче: the genie is out of the bottle. Ещё варианты: let the genie out of the bottle (запустить необратимое) и put the genie back in the bottle (вернуть всё назад; обычно невозможно).
“Once the data was published online, the genie was out of the bottle.”
“The council tried to cancel the plan, but the genie had already been let out of the bottle.”
“You can’t ban the technology now: the genie has been let out of the bottle.”