engaged in or accustomed to close observation; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty" 同义词:watchful,
mentally perceptive and responsive;"an alert mind"; "alert to the problems"; "alive to what is going on"; "awake to the dangers of her situation"; "was now awake to the reality of his predicament" 同义词:alive, awake,
quick and energetic; "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze" 同义词:brisk, lively, merry, rattling, snappy, spanking, zippy,
warn or arouse to a sense of danger or call to a state of preparedness; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries" 同义词:alarm,
a warning serves to make you more alert to danger 同义词:alerting,
condition of heightened watchfulness or preparation for action; "bombers were put on alert during the crisis" 同义词:qui vive,
百科解释
To be alert is to be in a state of alertness.
详细百科解释
其他语种释义
alertとは意味:1alert n. 警報; 警報発令期間; 警戒(体制), 非常待機. 【動詞+】 ◆announce an alert 警報を発令する ◆call a full alert 完全警戒体制を発令する ◆call off an alert 警報を解除する ◆We need to declare a nationwide alert about this disease. この病気について全国規模の警...