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

• Its implementation will build on three self-reinforcing elements: credibility, alertness and steady-handedness.
  它的实施将建立在三个自我强化的因素之上：可靠性、警示性和稳妥性。
• 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。
• While the picture is developing I'm now going to test your real alertness.
  趁着洗照片的功夫，下面才是真正测试你们机警性的时候了。
• You will maintain a constant state of suspicious alertness.
  你要不断保持带怀疑的警觉性。
• Alertness must be bred into every soldier.
  警惕性必须渗透到每个战士的血管中去。
• It does wonders for us as it boosts stamina, self-confidence and alertness.
  它可以神奇的增强体力，自信和机敏度。
• Research suggests that taking a walk can increase productivity by improving blood circulation and alertness.
  研究表明，散步能通过提升血液循环和警戒度来提高效率。
• She had a mysterious life experience, refined beauty, unique personality, and her alertness, intelligence and superb talent.
  她具有神秘的身世，脱俗的美丽，独特的个性，以及她机警、聪明和高超的才艺。
• 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。
• You will feel rested and you'll notice your mood and alertness improve.
  你将感到放松并会注意到你的心情和机敏度提高。