alert
英 [ə'lɜːt]
美[ə'lɝt]
- vt. 警告；使警觉，使意识到
- adj. 警惕的，警觉的；留心的
- n. 警戒，警惕；警报
- n. (Alert)人名；(西)阿莱尔特
英英释意
- 1. condition of heightened watchfulness or preparation for action;
- "bombers were put on alert during the crisis"
- 2. a warning serves to make you more alert to danger
- 3. an automatic signal (usually a sound) warning of danger