Forewarn about - Idioms by The Free Dictionary
forewarn someone about something and forewarn someone of something
to warn someone about someone or something. They forewarned us of your strange behavior. Didn't we forewarn you about Max's problem?
References in periodicals archive
Addressing a ceremony held here Thursday, Shakil Qadir said that United Nations Development Fund (UNDP) would provide 25 million dollars in case of natural catastrophe whereas Japan government would technically assist besides installing system that would forewarn about