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alert    音标拼音: [əl'ɚt]
n. 警惕,警戒,警报
a. 警惕的,警觉的
v. 警惕

警惕,警戒,警报警惕的,警觉的警惕

alert
警示


alert
报警信号

alert
警示 警报信号

alert
adj 1: 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" [synonym: {alert},
{watchful}] [ant: {unalert}, {unvigilant}, {unwatchful}]
2: 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" [synonym: {alert}, {brisk},
{lively}, {merry}, {rattling}, {snappy}, {spanking}, {zippy}]
3: 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" [synonym: {alert}, {alive(p)}, {awake(p)}]
n 1: condition of heightened watchfulness or preparation for
action; "bombers were put on alert during the crisis" [synonym:
{alert}, {qui vive}]
2: a warning serves to make you more alert to danger [synonym:
{alert}, {alerting}]
3: an automatic signal (usually a sound) warning of danger [synonym:
{alarm}, {alert}, {warning signal}, {alarum}]
v 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" [synonym:
{alarm}, {alert}]

Alert \A*lert"\ ([.a]*l[~e]rt"), a. [F. alerte, earlier [`a]
l'erte on the watch, fr. It. all' erta on the watch, prop.
(standing) on a height, where one can look around; erta a
declivity, steep, erto steep, p. p. of ergere, erigere, to
erect, raise, L. erigere. See {Erect}.]
1. Watchful; vigilant; active in vigilance.
[1913 Webster]

2. Brisk; nimble; moving with celerity.
[1913 Webster]

An alert young fellow. --Addison.
[1913 Webster]

Syn: Active; agile; lively; quick; prompt.
[1913 Webster]


Alert \A*lert"\, n. (Mil.)
An alarm from a real or threatened attack; a sudden attack;
also, a bugle sound to give warning. "We have had an alert."
--Farrow.
[1913 Webster]

{On the alert}, on the lookout or watch against attack or
danger; ready to act.
[1913 Webster]

179 Moby Thesaurus words for "alert":
Klaxon, Mayday, SOS, active, admonish, advertent, advise, agile,
agog, air-raid alarm, alarm, alarm bell, alarm clock, alarm signal,
alarum, alert for, alive, all clear, all ears, all eyes, animated,
apt, arouse, assiduous, attentive, awake, aware, beacon,
blinking light, brainy, breathe, bright, brilliant, burglar alarm,
buzz, buzzer, cant, careful, caution, cautious, clear-sighted,
clear-witted, clearheaded, clever, concentrated, confide,
confide to, conscious, crostarie, cry havoc, cry wolf, decisive,
diligent, earnest, entrust with information, equal to, expeditious,
fiery cross, finical, finicking, finicky, fire alarm, fire bell,
fire flag, five-minute gun, flashing light, fly storm warnings,
fog bell, fog signal, foghorn, forewarn, frighten, frisky,
full of life, gale warning, gay, give confidential information,
give fair warning, give notice, give warning, heedful, hooter,
horn, hue and cry, hurricane warning, immediate, instant,
instantaneous, intense, intent, intentive, issue an ultimatum,
keen, knowing, let in on, let next to, lighthouse, lively,
loaded for, lookout, mention privately, mercurial, meticulous,
mindful, nice, niggling, nimble, note of alarm, notify, observant,
observing, occulting light, on guard, on the, on the alert,
on the ball, on the job, on the lookout, open-eared, open-eyed,
openmouthed, police whistle, prepared for, prompt, punctual,
put hep, put next to, qui vive, quick, quick-witted, ready,
ready for, regardful, sharp, signal, signal of distress, siren,
sleepless, small-craft warning, smart, sound the alarm,
sound the tocsin, speedy, spirited, sprightly, spry, startle,
still alarm, storm cone, storm flag, storm warning, summary, swift,
threaten, tip, tip off, tocsin, two-minute gun, unblinking,
unnodding, unsleeping, unwinking, up, up for, up to,
upside-down flag, utter a caveat, vigilant, vivacious, wakeful,
warn, warn against, warning, wary, watchful, whisper, whistle,
wide awake, wide-awake


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  • ALERT Definition Meaning - Merriam-Webster
    The meaning of ALERT is watchful and prompt to meet danger or emergency How to use alert in a sentence Synonym Discussion of Alert
  • Sigalert
    Real-time speeds, accidents, and traffic cameras Check conditions on the Ventura and Hollywood freeways, I-5 and I-405, and other local routes Email or text traffic alerts on your personalized routes
  • Alert Page
    Stay informed nationwide — AlertPage now delivers real-time public safety alerts across the country, completely free No credit card required Alerts from every state, county, and region across the U S Instant notifications for fire, police, EMS, and more Filter by incident type, location, and agency to only get what matters to you
  • ALERT Definition Meaning | Dictionary. com
    To alert means to advise or to warn, as with an alert For example, your teacher might alert you that your big project is due soon, while a police department might alert the public about a dangerous person on the streets
  • Mass Warning and Notification System Alert! Giant Voice
    MWNS gives the chain-of-command the ability to notify you in the event of emergency The Alert! MWNS can communicate via desktop pop-up, telephone, SMS, and email Ensuring your information is
  • ALERT | English meaning - Cambridge Dictionary
    ALERT definition: 1 quick to see, understand, and act in a particular situation: 2 a warning to people to be… Learn more
  • ALERT definition and meaning | Collins English Dictionary
    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
  • Alert - definition of alert by The Free Dictionary
    Define alert alert synonyms, alert pronunciation, alert translation, English dictionary definition of alert adj 1 Vigilantly attentive; watchful: alert to danger; an alert bank guard
  • Alert Definition Meaning | YourDictionary
    A condition or period of heightened watchfulness or preparation for action Nuclear-armed bombers were put on alert during the crisis
  • Alert Definition Meaning | Britannica Dictionary
    The nurse should be alert to any change in the patient's condition He is alert to [= aware of] his duties as a father





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