警示

例句：

1. 1. Always follow the traffic rules when driving.
   开车时总是要遵守交通规则。
2. 2. The company issued a warning about the safety hazards in the new factory.
   公司发布了关于新工厂安全隐患的警告。
3. 3. He gave me a cautionary advice on how to avoid accidents.
   他给我提出了一个关于如何避免事故的警告性建议。