verb · to officially prohibit or ban something such as narcotics, movies, or books

政府下令封禁了所有非法出版物。

to physically block or close off access to a place or road

由于大雪，通往山顶的道路已被封禁。

verb · to block or ban a user or account on the internet or a digital platform

他的社交媒体账号因违反社区准则而被封禁。