①When someone is ordained, they are made a member of the clergy in a religious ceremony.【v.授予…圣职;任命…为神职人员】
②If some authority or power ordains something, they decide that it should happen or be in existence.【v.规定；决定；主宰】
①He was ordained a Catholic priest in 1982.
②He ordained his own priests, and threatened to ordain bishops.
③Destiny has ordained that they are who they are.
《经济学人》一篇关于三孩政策的文章 A third child in the world 也出现了这个表达：
what has been cannot be undone
If you say 'what has been done cannot be undone', you mean you can't backtrack what you have said or do something you are not able to do.
Romain Gary的小说 Promise at Dawn 也出现了这个表达：