美[??l?:rt] 1 . The armed forces were on high alert to guard against any retaliation.
武裝部隊保持高度戒備，以防發(fā)生任何報復(fù)行動。
來自柯林斯例句
2 . They want to be on the alert for similar buying opportunities.
他們希望隨時掌握有關(guān)類似購買機會的信息。
來自柯林斯例句
3 . The bank is alert to the danger.
銀行充分意識到了危險。
來自柯林斯例句
4 . All the Plymouth hospitals are on red alert .
普利茅斯所有的醫(yī)院都處于緊急狀態(tài)之中。
來自柯林斯例句
5 . Soldiers and police have been put on alert .
士兵和警方都已進入警戒狀態(tài)。
來自柯林斯例句
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
4.very attentive or observant;
an alert and responsive baby is a joy
5.mentally responsive;
an alert mind
6.not unconscious; especially having become conscious;
the patient is now awake and alert
7.(usually followed by `to') showing acute awareness; mentally perceptive;
alert to the problems
1.warn or arouse to a sense of danger or call to a state of preparedness;
The empty house alarmed him
