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a·lert 英əˈlɜːt美əˈlɝtAHDə-lûrtʹ ★★★☆☆高四六研ＧＩＴ宝６八COCA⁷⁴⁷⁹BNC⁹¹⁵⁶iWeb⁴⁷⁵⁹Economist⁷⁵²³
基本双解英英辨析词源搭配短语记法近义反义句型派生词用法例句Thesaurus例句
adj.警觉的⁵;灵敏的¹vt.使意识到²;警惕³⁸n.警戒¹²;警报⁴²复数alerts过去分词alerted现在分词alerting三单alerts
劝告品质安全防范劝告，警告，建议
adj.形容词
警惕的,警觉的,注意的watchful and ready to deal with danger 机灵的,敏捷的quick to see and act
v.动词
vt. 使处于戒备状态; 警告make sb watchful and ready for possible danger
n.名词
CS警戒；戒备；警惕a situation in which people are watching for danger and ready to deal with it C警报a warning of danger or of a problem
Noun:
condition of heightened watchfulness or preparation for action;bombers were put on alert during the crisis a warning serves to make you more alert to dangeran automatic signal usually a sound warning of danger
Adjective:
engaged in or accustomed to close observation;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 quick and energetic;a brisk walk in the park a lively gait a merry chase traveling at a rattling rate a snappy pace a spanking breeze mentally perceptive and responsive;an alert mind 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
Verb:
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
n.名词
on alert,on the alert这两个短语形似义近，其区别是： on alert是针对危险情况的，意思是“防备着”；on the alert是针对事态发展的，意思是“随时准备着”。 原本是一个军事术语，来自意大利语all'ertato the height，本意是“在高处瞭望警戒”。
用作形容词 adj.
～+名词alert mind反应敏捷的头脑alert movements敏捷的动作～+副词alert mentally思想上警惕～+介词alert in answering questions留心回答问题alert to随时注意alert to every sound and movement对任何响动都很警觉用作动词 v.～+名词alert the public提醒公众～+副词alert amazingly吃惊地警告alert cautiously小心地警告alert extremely完全地警告alert guardedly谨慎地警告alert resolutely绝对地警告alert sharply尖锐地警告alert wisely聪明地警告～+介词alert to the danger提醒注意其危险性alert to the need提醒注意其必要性用作名词 n.动词+～call an alert发出警报sound the alert拉响警报call off an alert取消警戒状态go on alert进入戒备形容词+～24-hour alert昼夜警戒active alert战斗警报blue alert空袭警报false alert假警报full alert全面戒备状态general alert全面警戒No 1 alert一级战备preliminary alert预备警报red alert紧急警报white alert解除警报yellow alert预备警报名词+～air alert空袭警报ground alert地面待战malfunction alert故障报警nuclear alert核警报介词+～during an alert在警戒期间in state of alert处于警戒状态～+介词the alert against any possible aggression警惕任何可能的侵略the alert for any indications of battle注意任何战事的迹象
用作名词n.on alert警戒着，防备着 ready to take action to deal with a dangerous situation on the alert密切注意着，随时准备着paying attention to what is happening and ready to react quickly if necessary GRE红宝书玩过RED ALERT《红色警报》的朋友一定对该词深有感触, 对于没玩过的, 我只能说—你人生不完整.
all light 灯全打开→将灯全打开，保持警惕非常记忆al暗恋〖拼音〗+er儿子〖拼音〗+t特〖编码〗⇒暗恋儿子的特务受到了警告联想记忆Red Alert 红色警戒，20世纪90年代风靡全球的电脑游戏联想记忆Red Alert“红色警戒”，风靡全球的电脑游戏al=ali改变状态+ert动→改变状态动起来⇒提醒Red Alert“红色警戒”，风靡全球的电脑游戏近义词 awarequicksirenbrightcarefuladj. activewatchfulv. alarmnotifyn. warning反义词 slowunawareinactiveadj. careless
用作形容词adj.
用作定语
～+ n.He has an alert mind.他很机灵。
The alert listener will have noticed the error.耳朵尖的人能听出这个错。n. +～He is a man alert in problem.他是个留意问题的人。
用作表语
S+be+～Our guerrillas suddenly became alert as the dogs barked.狗叫了,我们的游击队员突然警觉起来。
The rabbit seems to be very alert all its life.兔子似乎一生都小心翼翼,十分警觉。S+be+～+ prep. -phraseBe alert for any sign of change in the patient.对这个病人的病情变化要密切注意。
The student is alert in answering the question.这个学生回答问题小心谨慎。
A monkey is very alert in its movements.猴子的动作很敏捷。
He is always alert to danger.他对危险时刻保持警惕。
She was alert to seizing an opportunity.她机敏地抓住一个机遇。S+be+～+that-clauseSo alert she was that not a single error in the report slipped her.她十分警觉,所以报告中没有一个错能逃过她的眼睛。用作动词v.
用作及物动词
S+ ～+n./pron.The voice of the caller alerted her.呼唤者的声音使她警觉起来。
Sirens alerted the cities long before the enemy bombers arrived.敌军轰炸机凌空以前,各城市早已鸣了警报。
They alert the public to the need for pollution control.他们提醒公众注意控制污染的必要性。
He had phoned the nearby villages, alerting them to the possibility of forest fires.他给附近几个村庄打了电话,叫人们注意森林可能起火。
The guard was alerted by a man climbing towards him.有一个人向卫兵爬过来,使卫兵警惕起来。
用作双宾动词
S+～+ n./pron. +that-clauseThe boss alerted the guard that thief might come out at night.老板要警卫提防夜里可能有贼。
The villagers alerted the traveller that wolves might come out in the night.村民们叫旅行者提防,夜晚有狼群出没。
用作宾补动词
S+～+ n./pron. +to- vThe radio alerted coastal residents to prepare for the hurricane.电台警告沿海居民做好预防飓风的准备。
We will alert operating personnel to repair.我们将通知操作人员去维修。其他There are hurricane warning systems for alerting island residents.现在有了向岛上居民发出飓风警报的警报系统。用作名词n.A national police alert was in effect.全国警察实行戒备。
The hurricane alert is over.飓风警报解除了。
The air-raid alert sounded at noon.正午时响起了空袭警报。
We'd just boarded the bus when the alert sounded.我们刚登上公共汽车，警报就响了。
If there is an alert, don't panic, just make your way to the exit.如果有警报，不要惊慌，只要走向太平门就行了。
The machine sounded the alert.机器发出了警报。
They received the alert at midnight.他们在午夜接到警报。
It's the alert signal.这是警报信号。
They were quiet during the alert.警戒期间他们很安静。
We should not run about aimlessly during an alert.警戒期间不可到处乱跑。
The whole country is in a state of alert.全国正处于戒备状态。
Security forces are on a high state of alert because of the President's visit.由于总统来访，保安部门处于高度警戒状态。
Sirens brought the whole street to the alert .警报声使整条街道进入戒备状态。Palerting报警Palertor报警器Palertnessn.警戒机敏Palertlyad.警觉地留意地
adj.形容词
alert作形容词的基本意思是“警惕的,警觉的,注意的”,指特别留神以应付可能发生的事,尤指危险的事; 引申也可指“机灵的,敏捷的”,指思维敏捷,理解快,可用来形容人,也可用来形容物。 alert常用作表语,后接介词in或to,偶尔也可用作定语。
v.动词
alert的基本意思是指让某人对可能发生的危险或潜在的危险保持警觉或准备好迎击敌人,可译作“向…发出警告,使处于戒备状态”。 alert是及物动词,提醒、警觉或戒备的内容常由介词to引出,提醒作为准备的内容则由介词for引出。 alert也接双宾语,其直接宾语多为that引导的从句。alert还可接以动词不定式充当补足语的复合宾语。 常用作定语形容词，如an alert man或his alert attention； 作为动词时，alert的宾语后可接that从句。The villagers alerted the traveller that wolves might come out in the night.
动词52%,形容词38%,名词10%
用作形容词Thealertleopard went up to a deer quietly.警觉的豹子静悄悄地走近一只鹿。
Although he's over eighty his mind is still remarkablyalert.他虽已年过八十，但头脑仍然十分机敏。用作及物动词I mustalerthim to the need to solve the problem.我必须使他认识到解决这问题的必要性。
But we must remain on thealert.但是我们现在仍然要保持警惕。
He decided he would stay morealertfrom now on.他决定从现在起要更提高警惕了。用作名词Troops are on thealertagainst any possible aggression.军队戒备着可能的来犯。
One should not run about aimlessly during analert.空袭警报期间不可到处乱跑。adj.attentive, lively
同义词 active,bright,careful,intelligent,observant,perceptive,sharp,vigilant,wary,watchful,wired,wisehip,jazzed,quick,ready,spiritedall ears,cagey,circumspect,clever,fast on the draw,good hands,heads up,heedful,on guard,on one's toes,on the ball,on the job,on the lookout,on the qui vive,psyched-up,switched on,wide-awake,with it
反义词 careless,dull,foolish,ignorant,inattentive,incautious,indifferent,indiscreet,lazy,negligent,stupid,thoughtless,unaware,unintelligent,unobservant,slow,uneducatedasleep,drowsy,lethargic,sluggish,wearynoun.warning
同义词 alarm,signaladmonition,flap,Mayday,sign,siren,SOS,winkhigh sign,tip offverb.warn
同义词 alarm,forewarn,inform,notify,tip offflag,signal,tipgive the high sign,put on guard,wave flag
反义词 conceal,hide
ableadjective capable of performing;having an innate capacity
adept,adequate,adroit,agile,apt,bright,capable,competent,cunning,deft,dexterous,easy,effortless,endowed,equipped,facile,fitted,good,intelligent,knowing,powerful,ready,smart,strong,worthy
ablestadjective capable of performing;having an innate capacity
adept,adequate,adroit,agile,alert,apt,bright,capable,competent,cunning,deft,dexterous,easy,effortless,endowed,equipped,facile,fitted,good,intelligent,knowing,powerful,ready,smart,strong,worthy
activeadjective very involved in activity
aggressive,agile,alert,alive,animated,assiduous,bold,brisk,bustling,busy,chipper,daring,dashing,determined,dexterous,diligent,dynamic,eager,energetic,engaged,enlivened,enterprising,enthusiastic,eventful,fireball,forceful,forcible,fresh,frisky,hard-working,high-spirited,hyper,industrious,intense,inventive,jumping,keen,lively,nimble,on the move,perky,persevering,purposeful,pushing,quick,rapid,ready,resolute,sharp,sprightly,spry,whiz,zealous
agileadjective physically or mentally nimble, deft
active,acute,alert,athletic,brisk,buoyant,bustling,clever,dexterous,easy-moving,energetic,fleet,frisky,limber,lithe,lively,mercurial,prompt,quick,quick on the draw,quick on the trigger,quick-witted,rapid,ready,sharp,spirited,sportive,spright,sprightly,spry,stirring,supple,swift,twinkle toes,vigorous,vivacious,winged,zippy
alarmnoun warning, signaling device
Mayday,SOS,alert,bell,blast,buzzer,call,caution,clock,cry,drum,flap,flash,forewarning,gong,high sign,horn,nod,scramble,scream,shout,sign,signal,siren,squeal,tip,tip off,tocsin,trumpet,warning,whistle,wink,yell
alarumnoun alarm
alert,bell,call to arms,signal,siren,warning,warning signal The fact that we think of patterns as reusable elements should alert us to the fact that we discover patterns rather than invent them.
事实是我们把模式看作可再度使用的组件，它应该给我们这样的警告：我们发现了模式而不是发明了模式。 ibm
The milestone sends notification messages to set up all of its alert timers and notifications.
里程碑发送通知消息以建立它的所有警报定时器和通知。 ibm
“ If anything, our findings should alert clinicians to be aware that people with SMI are at very high risk” of morbidity and mortality.
“如果有什么是相同的话，我们的结果应该警告临床医生注意，重度精神病人士的发病率和死亡率是非常高的”。 yeeyan
An alert should appear informing you to first select an item from the grid.
就会出现一个警告通知您首先从这个表格中选择一个条目。 ibm
But you have to be very alert when you are at your most vulnerable when you are depressed or feeling isolated.
但你必须非常警惕，尤其是在你最容易受到伤害的时候，当你心情沮丧或者感到孤独的时候。 yeeyan
Each type of alert has a different XML document associated with it.
每种类型的警报都有一个与之关联的不同 XML文档。 ibm
He sees an alert, and clicks on it to see his current tasks.
他看到一个警告，单击警告来了解当前的任务。 ibm
Hearing this, I was instantly on the alert.
我一听这话，当下就警惕起来。《新英汉大辞典》
If you use the latter method, an alert appears at the bottom of the window to confirm that you want to kill the window.
如果使用后一种方法，那么在窗口底部会出现一个警告，要求您确认要杀死此窗口。 ibm
Install a CO detector to alert you of the presence of the deadly, odorless, colorless gas.
安装一氧化碳检测器来警告是否存在这种致命的、无色无味的气体。 yeeyan
Limiting the wait time and sending an alert on an error return code would be a very good thing to add.
限制这个等待时间，并发送关于一个错误返回码的警报，是非常有必要增加的一个功能。 ibm
Next, add the binding from the situation event to the action type of the alert.
下一步，添加从情景事件到警报的操作类型的绑定。 ibm
On some projects, these have been reduced by half, because the team can focus just on the amber caution and red alert areas of the status report.
在一些项目之中，这些时间可以降至一半，因为团队可以只关注状态报告的黄色注意以及红色警告。 ibm
Police are on alert during Halloween, especially for sex offenders. The common wisdom is that sex offenders are out and about on Halloween, looking for targets.
警察在万圣节期间加强了戒备，特别是针对性犯罪者。一般常识就是性犯罪者会在万圣节前后出去走动，寻找目标。 yeeyan
The world is alert and on guard as never before.
世界从没有向现在这样保持警惕和戒备。 who
Then when an alert is triggered, you can examine what was triggered and why.
然后当触发一个提醒时，您可以检查触发的是哪类警告和触发原因。 ibm
Therefore it is prudent to combine subscription to alert messages with polling of status information, to provide a robust mechanism for communicating with monitoring tools.
因此明智的做法是将警报消息的订阅与状态信息轮询相结合，提供一个健壮的与监控工具通讯的机制。 ibm
These classes encapsulate information, values, and thresholds associated with a threshold alert.
这些类用于封装与阈值警报关联的信息、值和阈值。 ibm
They were quiet during the alert.
警戒期间他们保持安静。《新英汉大辞典》
This default mode probably gave us an evolutionary advantage by making us alert to dangers while we were hunting and gathering.
这种默认模式可能通过我们狩猎和聚会时警告危险的出现来带给我们一种进化的优势。 yeeyan
This is not about creating alarm but helping children be more alert and careful.
这不是关于制造惊慌，而是帮助儿童更加警惕和谨慎。 who
This will prove him correct if the alert pops up, telling him that anything he enters will indeed be accepted and used by the application with no filtering.
如果警报弹出，告诉他输入的所有内容都将真正被接受并由应用程序使用而不进行过滤，这将证明他是正确的。 ibm
We downgraded the military alert from emergency to standby.
我们把军事戒备从紧急状态降至待命状态。《21世纪大英汉词典》
When you click the trigger, it pops up an alert.
单击触发器的时候，它就会弹出一条警告。 ibm
You can also block or unblock a request from an application based on a security alert.
你还可以基于一个安全警报来阻止或者不阻止来自一个程序的请求。 ibm |