I wonder if right thinking people should warn him!

A final agreement is still some days off, the people close to the talks warned.

Kershner said, "Your people warned me not to tell you."

But several people warned us that the plan was too ambitious.

And some people who live in the area warned against overreacting.

"Many people warned me but I did not acknowledge it."

"I didn't trust them, and other people were warning me not to do business with them."

These people warn that the Americans, too, should be careful about what they wish for, and act on.

The Italian people were warning the old boys in power their time was nearly up.

Some people will warn others of a danger, especially those close to them like family or dear friends.