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Phrase(s): wise someone up (about someone or something)
Inf. to instruct someone about something; to give someone important information. • Let me wise you up about the way we do things around here. • I will do what I can to wise her up., Phrase(s): wise up (to someone or something)
to (finally) begin to understand someone or something; to realize and accept the facts about someone or something. (Also as a command.) • Sally finally wised up to Richard. • Come on, Sally! Wise up!
McGrawhill's American Idioms And Phrasal Verbs