alert

释义

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

大小写变形: ALERT

词态变化

复数 :   alerts ; 第三人称单数 :   alerts ; 过去式 :   alerted ; 过去分词 :   alerted ; 现在分词 :   alerting ; 名词 :   alertness ;

实用场景例句

Suddenly she realized she was alert and aware of every sound around her.

突然她意识到自己很警觉，能察觉到周围的每一个声音。

金山词霸

Alert to the risks, we should always proceed with caution.

时刻警惕风险，我们应该始终保持谨慎。

金山词霸

Awakened by a sudden alert from his phone, she jumped out of bed and checked the screen.

手机突然的警报声惊醒了她，她跳下床查看屏幕。

金山词霸

Neighbours immediately alerted the police station.

邻居立即向警察局报了警。

金山词霸

They were alerted to the chance of additional delays.

他们已被告知可能会有进一步的延误。

金山词霸

Soldiers in the region have been put on high alert due to the escalating tensions.

该地区的士兵因局势升级而处于高度戒备状态。

金山词霸

Police are urging residents to stay on the alert for unusual activities in their neighborhoods.

警方敦促居民对社区内的异常活动保持警惕。

金山词霸

The authorities were immediately alerted, just as I had expected.

正如我所预期的那样，警方立即被通知了。

金山词霸

Troops and officers remain on alert.

部队和警官们仍处于警戒状态。

金山词霸

Remaining alert for similar buying opportunities remains their unwavering objective.

他们坚定不移的目标是保持警觉，寻找类似的购买机会。

金山词霸

The individual attempted to alert the community regarding the activities carried out by the group.

这名男子试图提醒公众注意该组织所开展的活动。

金山词霸

An alert has prompted the train to bypass Oxford Circus station due to security concerns.

出于安全考虑，警报已促使列车绕过牛津街口广场站。

金山词霸

The bank stays alert to any possible dangers.

这家银行对任何可能的危险保持警觉。

金山词霸

Stay alert, all of you...

所有人都要保持警惕...

金山词霸

An alert passerby noticed him.

一个警觉的路人注意到了他。

金山词霸

What ever you choose to bring on your travels is of course an individual matter.

选择在旅途中带上什么东西,当然是您的个人问题.

期刊摘选

He is a man alert in problem.

他是个留意问题的人.

《简明英汉词典》

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.

《简明英汉词典》

One should not run about aimlessly during an alert.

空袭警报期间不可到处乱跑.

《现代英汉综合大词典》

真题例句

When the system thinks it's being jammed, it'll notify you via -94- push alert ( ' , 推送警报).

出自-2016年12月阅读原文

That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.

出自-2016年12月阅读原文

It caught us in the act, sent an alert to my smartphone, and also listed our RF interference on the system's event log.

出自-2016年12月阅读原文

If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.

出自-2016年12月阅读原文

More sleep in old age, however, is associated with better health, and most older people would feel better and more alert if they slept for longer periods, he said.

出自-2011年6月阅读原文

She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators.

2017年12月四级真题（第一套）阅读 Section C

She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.

2017年12月四级真题（第一套）阅读 Section C

When the system thinks it's being jammed, it'll notify you via push alert.

2016年12月四级真题（第一套）阅读 Section B

with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?

2016年12月四级真题（第一套）阅读 Section B

To alert American workers to the urgency for adaptation.

出自-2016年6月阅读原文

Their risky behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can alert parents and teachers that serious problems are brewing.

出自-2016年12月阅读原文

To be alert to fluctuations in foreign markets.

出自-2011年12月阅读原文

And when that is failed, they stop the hunters, banging on pots and pans to alert the deer.

出自-2013年12月听力原文

Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.

2017年6月六级真题（第三套）阅读 Section A

The researchers explained that the study demonstrated when we are in a novel environment the brain partly remains alert so that humans can defend themselves against any potential danger.

2017年6月六级真题（第三套）阅读 Section A

Consumers passionate about a product may create “owned” media by sending e-mail alerts about products and sales to customers registered with its Web site.

出自-2011年考研阅读原文

Jealousy and anger, for example, may have evolved to alert us to important inequalities.

2019年考研真题（英语二）阅读理解 Section Ⅱ

The heightened alert followed an emergency meeting with flu experts in Geneva that assembled after a sharp rise in cases in Australia, and rising numbers in Britain, Japan, Chile and elsewhere.

2010年考研真题（英语二）完形填空 Section Ⅰ

英英释义

Noun

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

Verb

1. 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"

Adjective

1. very attentive or observant;

"an alert and responsive baby is a joy"

"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"

2. mentally responsive;

"an alert mind"

3. not unconscious; especially having become conscious;

"the patient is now awake and alert"

4. (usually followed by `to') showing acute awareness; mentally perceptive;

"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"