alert
英 /əˈlɜːt/
中文释义
adj. 1. 警惕的，警觉的 2. 敏捷的，灵活的 n. 警报 ||on the alert (for)警惕着，对…保持戒备(状态) v. 向…发出警报
Being watchful and ready to respond to potential dangers.
常用搭配
- stay alert保持警觉
- weather alert天气预警
- raise the alert发出警报
例句
- Stay alert when crossing the busy road.过繁忙路口时要保持警觉。
- The system sent an alert about the outage.系统发出了停机警报。