alertness

英 [əˈlɜːtnəs]

美 [əˈlɜːrtnəs]

n.  警觉，清醒，机警

BNC.19835 / COCA.18261

柯林斯词典

• ADJ-GRADED 警觉的；警惕的；留神的；机敏的
  If you arealert, you are paying full attention to things around you and are able to deal with anything that might happen.
  1. We all have to stay alert...
     我们大家都必须保持警惕。
  2. He had been spotted by an alert neighbour.
     一个警觉的邻居发现了他。
• ADJ-GRADED 充分意识到…的;完全感觉到…的
  If you arealert tosomething, you are fully aware of it.
  1. The bank is alert to the danger.
     银行充分意识到了危险。
• N-COUNT 警戒（状态）；戒备（状态）
  Analertis a situation in which people prepare themselves for something dangerous that might happen soon.
  1. 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。
• VERB 向…报警；使警觉；使警惕；使注意
  If youalertsomeonetoa situation, especially a dangerous or unpleasant situation, you tell them about it.
  1. 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。
  2. I was hoping he'd alert the police.
     我当时希望他会报警。
• See also:red alert
• PHRASE 处于警戒状态;保持戒备
  If soldiers or police areon alert, they are ready to deal with anything that may happen.
  1. Soldiers and police have been put on alert.
     士兵和警方都已进入警戒状态。
• PHRASE 准备就绪；防备着
  If you areon the alert forsomething, you are ready to deal with it if it happens.
  1. 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。

英英释义

noun

• lively attentiveness
  Synonym:sharp-sightednesson the qui vive
• the process of paying close and continuous attention
  1. wakefulness, watchfulness, and bellicosity make a good hunter
  2. vigilance is especially susceptible to fatigue
  Synonym:watchfulnesswakefulnessvigilance
• a state of readiness to respond
  1. alerting was indicated by the desynchronization of the EEG
  Synonym:alerting

双语例句

• The presence of non-task-oriented ideas is a sign of broad interest, concern, and alertness on the part of the employees.
  一些非有关部门工作的建议的产生，标志了在部分职工中的广泛兴趣、机智和关心企业的精神素质。
• His thin, hawk-like nose gave his whole expression an air of alertness and decision.
  他那细长的鹰钩鼻给他平添了一种机警果断的表情。
• She also said the alertness will change according to the level of potential threat.
  她也说，警戒将随时根据受威胁的水平而调整。
• In a lotus posture you can keep alertness to the very end.
  以莲花坐的姿势你就能保持警觉直至最尽头。
• Alertness, calmness, courage: he could see them all in the youngster's face.
  机警，镇定，胆量，都摆出在这年青人的脸上。
• Ginseng was reported to have increased energy and mental alertness.
  人参可以增进体力和提高精神敏捷性。
• His modesty and simplicity, as well as his alertness against the enemy are well brought out.
  他的谦逊、朴实，以及对敌人的警惕性都刻划得很好。
• All these activities can increase alertness and make it difficult to fall asleep.
  所有这些活动会提高你的灵敏度，让睡觉变得很困难。
• He drinks a lot of tea to maintain his mental alertness.
  他喝很多茶保持神智清楚。
• I know him well in that mood of alertness and suspicion.
  我对他这种警觉和猜疑的情绪是很熟悉的。