The director warned him that he might be fired.
The doctor warned him of the dangers of smoking, as it can cause cancer.
I warned you that I would ask some difficult questions.
Hey, I warned ya' it was long.
I warned him not to go too far.
I warned you against false assumptions.
The old man warned the children off his property.
She warned him not to take any action because whatever he did, he would regret it!
WordNet 3.0 Sense Numbers: 1, 2, 3, 4