alert
英 [?'l??t]
美[?'l?t]
- vt. 警告；使警覺，使意識(shí)到
- adj. 警惕的，警覺的；留心的
- n. 警戒，警惕；警報(bào)
- n. (Alert)人名；(西)阿萊爾特
英英釋意
- 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