Cautioned

I cautioned him against being late.

He cautioned me against being careless of my health.

You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.

Sami cautioned Layla to stay away from Farid.

Tom cautioned Mary to stay away from John.

Johnson cautioned that a vaccine is still a long way off and that one vaccine is not a solution.

He cautioned against it.

Many experts admitted surprise at the new numbers but cautioned against overly gloomy assessments.

Newly declassified internal CIA documents show that some agency officials were convinced its detention and interrogation program provided "unique and invaluable intelligence," while others expressed deep reservations and cautioned against leaving a trail of documents questioning its legality.

The American Embassy has cautioned its citizens to be extra vigilant and to avoid areas where skinheads might congregate.