cautionary
🇺🇸
/ˈkɔːʃəneri/
🇬🇧
/ˈkɔːʃənəri/
Something that warns or advises people to be careful.
The teacher gave a cautionary talk to the students about the dangers of drug use.
老師給學生們做了一個關於藥物使用危險的警示性講話。