But the look he sent her was one of warning.

A word of warning is in order based on our experience.

They did give her parents a few minutes of warning, however.

I mean, maybe a new kind of warning comes up.

His girl's sent him a picture and some kind of warning.

They would have had no chance to issue any kind of warning.

I was going to give your friend a word of warning.

I give you the word of warning, that is all.

If someone is coming it doesn't exactly give us a lot of warning.

At least that would give us a bit of warning.