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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
  • Home - ALERTCalifornia
    ALERTCalifornia is a UC San Diego Program Cameras and sensors are deployed throughout California to monitor wildfires and disasters in real-time
  • Alert: Missing Persons Unit - Wikipedia
    Scott Caan as Detective Jason Grant, Nikki's ex-husband, who works in the Missing Persons Unit (MPU) with her to help people find their missing loved ones He is a former private security contractor
  • Traffic Alerts | 511. org
    Get the latest traffic incident information for the Bay Area Traffic incident alerts listed by Type, Route Name, Description, and sorted by Last Updated Traffic Collision with Injuries on I-80 Eastbound west of N Texas St (Fairfield) Left lane blocked Expect delays (CHP) Show on map
  • 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 (TV Series 2023–2025) - IMDb
    Alert: Created by John Eisendrath, Jamie Foxx With Scott Caan, Ryan Broussard, Adeola Role, Dania Ramirez Follows Nikki Batista after she joins the Philadelphia Police Department's Missing Person's Unit to help other people find their loved ones at the same time that she is looking for her missing son
  • Google Alerts - Monitor the Web for interesting new content
    Monitor the web for interesting new content How often As-it-happens At most once a day At most once a week Sources Automatic News Blogs Web Video Books Discussions Finance Language
  • 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
  • Alert - Definition, Meaning Synonyms | Vocabulary. com
    When you are alert, you are awake and ready When you issue an alert you give warning, alerting people to, or notifying them of, a concern Alert is one of the rare words that can be used in the same form as a noun, verb, and adjective In all parts of speech, alert implies preparedness
  • ALERT | definition in the Cambridge English Dictionary
    ALERT meaning: 1 quick to see, understand, and act in a particular situation: 2 a warning to people to be… Learn more





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