The warning from Duncan's secretary was ringing in my ear: Be careful what you say in there.

Her father's warnings rang in her head, and it was becoming increasingly difficult to ignore them.

Such warnings rang loudly at the commission, where there has been mounting concern about rising electric rates and a possible supply crisis in the coming years.

All at once, Senator Kilpatrick's warning rang in her ears.

"Don't go near the swamp" - Zandro's warning rang in his mind.

A new warning rang from his computer.

The smallest warning rang in my mind.

Dire biblical prophecies and the grave warnings of Indian chiefs ring true.