alert
adj. 警觉的,警惕的; 意识到的
n. 警惕,戒备; 警报
v. 向…报警; 使警觉,使戒备; 使认识到
If you are alert, you are paying full attention to things around you and are able to deal with anything that might happen.
We all have to stay alert...
我们大家都必须保持警惕。
He had been spotted by an alert neighbour.
一个警觉的邻居发现了他。
If you are alert to something, you are fully aware of it.
The bank is alert to the danger.
银行充分意识到了危险。
An alert is a situation in which people prepare themselves for something dangerous that might happen soon.
Due to a security alert, this train will not be stopping at Oxford Circus.
由于安全戒备的原因,该次列车在“牛津街口广场”站将不停留。
If you alert someone to a situation, especially a dangerous or unpleasant situation, you tell them about it.
He wanted to alert people to the activities of the group...
他想提醒人们小心该团体的活动。
I was hoping he'd alert the police.
我当时希望他会报警。
If soldiers or police are on alert, they are ready to deal with anything that may happen.
Soldiers and police have been put on alert.
士兵和警方都已进入警戒状态。
If you are on the alert for something, you are ready to deal with it if it happens.
They want to be on the alert for similar buying opportunities.
他们希望随时掌握有关类似购买机会的信息。
1. condition of heightened watchfulness or preparation for action;
2. a warning serves to make you more alert to danger
3. an automatic signal (usually a sound) warning of danger
1. warn or arouse to a sense of danger or call to a state of preparedness;
1. very attentive or observant;
2. mentally responsive;
3. not unconscious; especially having become conscious;
4. (usually followed by `to') showing acute awareness; mentally perceptive;
on the alert
警戒着,防备着:注意着且防备着危险、意外或机会
He is a man alert in problem.
他是个留意问题的人.
Alert readers may have noticed the misprint in last week's column.
细心的读者可能已经注意到上周专栏中的印刷错误了.
One should not run about aimlessly during an alert.
空袭警报期间不可到处乱跑.
A monkey is very alert in its movements.
猴子的动作很敏捷.
A sparrow is very alert in its movements.
麻雀行动非常机灵.