forewarn about

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?

Name	Pronounced	Usage
Graciela	grah-THYE-lah (Spanish), grah-SYE-lah (Latin American Spanish)	Spanish
Susanna	[su:'zænə]
HrÓ&Eth;Geirr	-	Ancient Scandinavian
Chelsey	CHEL-see	English (Modern)
Evgeniya	yev-GYE-nee-yah (Russian), eev-GYE-nee-yah (Russian)	Bulgarian, Russian
Theodosia	-	Ancient Greek, Greek