alert
- 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