| 单词 | alert |
| 释义 | alert (əlɜːʳt ) Word forms: alerts , alerting , alerted 1. adjective 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. He had been spotted by an alert neighbour. Synonyms: attentive, careful, awake, wary alertness uncountable noun The drug improved mental alertness. Synonyms: watchfulness, vigilance, agility, wariness 2. adjective If you are alert to something, you are fully aware of it. The bank is alert to the danger. [+ to] 3. countable noun 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. Synonyms: warning, signal, alarm, siren 4. verb 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. [VERB noun + to] I was hoping he'd alert the police. [VERB noun] Synonyms: warn, signal, inform, alarm 5. See also red alert 6. on alert phrase 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. 7. on the alert phrase 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. Collocations: alert a neighbour She had been downstairs when she started to have a fit but ran upstairs to alert the neighbour outside. The Sun Alert his neighbours either side and swap phone numbers if they're willing. The Sun I should alert your neighbours that you are about to start piano practice. Times, Sunday Times He alerted a neighbour, who helped him break open a door. ST According to a resident, the flat's inhabitant packed belongings including clothes in a bag before alerting his neighbours at 12.50am. Times, Sunday Times Those who cannot work from home will be told they can still go to school and work at any alert level. Times,Sunday Times If you are noticed or you trip a security camera, the alert level will increase. Times, Sunday Times The high alert level comprises a simplified and standardised set of existing measures, including bans on indoor household mixing. Times,Sunday Times The threat alert level was raised from 'general'. The Sun Officials raised the alert level and tested all 7,000 households in the area. Times,Sunday Times For example, a furnace can send an alert message when it needs cleaning, or a refrigerator when it needs service. Retrieved from Wikipedia CC BY-SA 3.0 When a team finds a message in its emergency drop, it might do no more than send an alert message to headquarters. Retrieved from Wikipedia CC BY-SA 3.0 In the final four minutes automatic alert messages from the aircraft showed several failures, which began with faulty speed readings. Times, Sunday Times Alert messages sometimes appear next to the health readout. Retrieved from Wikipedia CC BY-SA 3.0 Digital signage throughout the building displays alert messages followed by instructions tailored to each floor of the building. Retrieved from Wikipedia CC BY-SA 3.0 Luckily, she managed to get away and alert security. The Sun An exchange of blows followed, forcing the driver to push the emergency button to alert security officers, who broke up the scuffle. Times, Sunday Times The $20 million security contract includes sophisticated video analysis in which computers would alert security personnel to abnormal situations automatically. Retrieved from Wikipedia CC BY-SA 3.0 He did not get in but the noise alerted security guards. Times, Sunday Times He reported an emergency tannoy ringing out at 2am alerting security staff. The Sun A security system failed to alert staff to the thefts. Times, Sunday Times Other measures include smart cameras that alert staff to people in suspicious spots. The Sun Video-imaging technology would plot the movements of every tag and alert staff if anyone went into a secure area. Times, Sunday Times But he was left on a trolley as paramedics hunted for a buzzer to alert staff. The Sun Major grocers will put a form of notification on their systems to alert staff to any such restrictions. Times, Sunday Times They also showed changes in brain activity patterns that indicated a more alert state. Times, Sunday Times The results showed that lavender aromatherapy made subjects relaxed but drowsy, whereas rosemary aromatherapy promoted a relaxed but alert state - just what you want when sitting an exam. Times, Sunday Times Signs giving the current alert state were displayed at the entrance to government buildings and military installations. Retrieved from Wikipedia CC BY-SA 3.0 The alert system may later be used at local level, with different areas locked down or unlocked according to need. The Sun The failures have exposed problems in the alert system for product recalls. Times, Sunday Times There's also a timer and shopping list, although more useful would be an alert system - put sprouts on now! Times, Sunday Times Limited use for tracking, then, but a good-value alert system. Times, Sunday Times Nevertheless, informed sources give us to understand that the organisation operates a four-stage alert system. Times, Sunday Times For this reason, many supercharged aircraft featured a carburetor air temperature gauge or warning light to alert the pilot of possible icing conditions. Retrieved from Wikipedia CC BY-SA 3.0 A worried steward alerted the pilot to the 'unusual activity' and the cockpit was secured. The Sun They should have done much more to alert the pilots. Times,Sunday Times For nine minutes, the warning systems alerted the pilots that it was stalling. Times, Sunday Times Staff alerted the pilot and the pair were tied to their seats. The Sun One of the women drivers alerted police chiefs. The Sun (2010) She said that she alerted the police as soon as she realised what was happening. Times, Sunday Times (2017) I alerted the police and they arrested him. The Sun (2016) But he had just alerted police that his life was in danger and beefed up security at his home. The Sun (2008) The historic case only came to court decades on when she confided in a friend - who then alerted police. The Sun (2013) It already uses mapping technology and a loud emergency service siren to alert the user. Times,Sunday Times The devices, used by seven million people over the past decade, alert the user when to go to the ride where they can hop on without waiting. Times, Sunday Times Users could also view their player tracker, which would alert the user when a player in their chosen player list was active in a game. Retrieved from Wikipedia CC BY-SA 3.0 Network monitors (also known as reverse-firewalls) can be used to alert the user whenever an application attempts to make a network connection. Retrieved from Wikipedia CC BY-SA 3.0 If any fall below a certain threshold, the app alerts the user that supplies are running low. Times, Sunday Times The stress of never knowing what the day might bring and having to stay constantly alert. Times,Sunday Times We're tired but wired, constantly alert for disaster or emergency (or even for last-minute pleasure, such as that elusive date or party invitation). Times, Sunday Times Journalists must be constantly alert and insist on investigation so that the news reported would be honest and truthful. Retrieved from Wikipedia CC BY-SA 3.0 But shockingly the force took nine months to issue an alert that he had slipped the net. The Sun The fiasco prompted the council to issue an alert on its website at lunchtime offering emergency proxy votes to residents. Times, Sunday Times A tag, attached to a refrigerator or freezer, will issue an alert if the temperature fluctuates beyond the established safe threshold. Retrieved from Wikipedia CC BY-SA 3.0 Cops issued an alert after he missed a follow-up appointment. The Sun The fire brigade has issued an alert to smartphones via a disaster warning app usually used for incidents such as toxic spills or extreme weather. Times, Sunday Times Those with accounts that include a bonus will receive an alert when this expires. Times, Sunday Times Simply input the web address of an item you're interested in, set the price you're willing to pay, then you'll receive an alert when the cost drops. The Sun We know that someone opened the emails because we receive an alert when this happens. Times, Sunday Times Registered users can add favourites and, if the price reduces by ten per cent, the user will automatically receive an alert. The Sun You receive an alert, then check out theirs. Times, Sunday Times An urgent patient safety alert was issued to hospitals yesterday, describing the condition as a 'major risk'. Times, Sunday Times A day earlier rail chiefs issued a national safety alert over level crossings. The Sun But federal regulators did not issue a safety alert to other companies. Houston Chronicle Since 2014 there have been 66 cases of faulty satnavs, nine of them outdated, prompting health bosses to issue a 'patient safety alert'. The Sun Nearby the cabins where classes had been held during the safety alert stood intact. Times, Sunday Times However, the warm, still conditions yesterday resulted in the country's first smog alert in almost two years. Times, Sunday Times It should have had a smog alert for sentimentality. Globe and Mail It has become such a serious problem in cities that public smog alerts are given to warn of the health hazards. Times, Sunday Times A prolonged period of sunny weather with little rain or wind has pushed up pollution across the country, triggering smog alerts in more than 60 towns or cities. Times,Sunday Times Classic car enthusiasts have protested against the rules, which were introduced after several smog alerts in recent months. Times, Sunday Times His focus is on the ending, read aloud at the outset - so perhaps the continuity announcer should introduce the show with a spoiler alert. Times, Sunday Times (2014) Oh - and spoiler alert - they get married. Times, Sunday Times (2010) And - spoiler alert - no one has resorted to cannibalism. The Sun (2016) The preview copy came with a spoiler alert that I mustn't tell you how or why one of the characters dies. Times, Sunday Times (2012) Other airlines experienced significant share price losses because of the terror alert. Times, Sunday Times However, the terror warning system has been criticised because a change in the terror alert makes no discernible difference to the public. Times, Sunday Times Airlines may have to pay for even tighter security and each terror alert temporarily puts passengers off flying. Times, Sunday Times The hot liquid played havoc with the jet's communications system — triggering a terror alert to air traffic controllers. The Sun A decontamination unit raced to the scene and emergency services went on full terror alert. The Sun It was a very simple text alert system. Times, Sunday Times Nationwide last week launched 'savings watch', an email and text alert service that will notify customers of any rate changes. Times, Sunday Times We've been in touch ever since and my heart turns over whenever my text alert goes. The Sun So sign up to our email and text alert service to have the latest news, pictures and videos sent to your inbox or mobile. The Sun By the end of next week an app will send a text alert every time you eat a doughnut. Times, Sunday Times Translations: Chinese: 警惕的, 提醒, 戒备状态 Japanese: 油断なく警戒して, 警報を出す, 警戒態勢 |
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