warn in advance(A concern about possible conflicts between the existing MacMullen School and owners of the pricey new homes was raised by principal Kevin Partridge. He said the school was hoping potential owners could be warned in advance about noise potential through some kind of formal notice.ART Vancouver)
give someone a heads-up beforehand(I was pissed off when I learned that she had gone home early the day before, but did not give me a heads up beforehand.natty1610)
