And I'm trying to warn you of a possible problem.

Or perhaps they were trying to warn her to stay away.

He spent the rest of his life trying to warn others.

Was the old man trying to warn her of something?

I tried to warn her, but it was too late.

At the same time I had a growing feeling that someone was trying to warn me about something.

You tried to warn me, and I did not hear.

It was almost as though he were trying to warn her of something.

Or had she been trying to warn him that the situation was beyond her control?

This is exactly what I was trying to warn you about.