• on pain of expulsion from the party – под страхом исключения из партии
• on pain of expulsion from school – под страхом исключения из школы
См. также: on deferred payment terms, on lease, on first glance it seems, on pain of criminal prosecution
A state regulation requiring that pupils in the public schools, on pain of expulsion, participate in a daily ceremony of saluting the national flag ... (Justia)
The question was whether school children with religious objections to pledging allegiance to the flag could be required to do so, on pain of expulsion from school. (The New York Times)
