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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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  • Create an alert - Google Search Help
    Click Update Alert To change how you get alerts, click Settings check the options you want and click Save Delete an alert Go to Google Alerts Next to the alert you want to remove, click Delete Optional: You can also delete an alert by clicking Unsubscribe at the bottom of an alert email Fix problems getting or seeing alerts
  • Alert erstellen - Google Suche-Hilfe
    Alert löschen Rufen Sie Google Alerts auf Klicken Sie neben dem Alert, den Sie löschen möchten, auf das Symbol "Löschen" Optional: Sie können einen Alert auch entfernen, indem Sie in einer E-Mail unten auf Alert abbestellen klicken Probleme beim Erhalten oder bei der Anzeige von Alerts beheben
  • Creare un avviso - Guida di Ricerca Google
    Accedi a Google Alert In corrispondenza di un avviso, fai clic su Modifica Se non visualizzi alcuna opzione, fai clic su Mostra opzioni Apporta le modifiche desiderate Fai clic su Aggiorna avviso Per modificare le modalità di ricezione degli avvisi, fai clic su Impostazioni seleziona le opzioni desiderate e fai clic su Salva
  • Respond to security alerts - Google Account Help
    Review the alert Follow the instructions on the security alert to review the activity on your account If the activity wasn’t you On the security alert, review the sign-in details, including device type, time, and location If this activity doesn’t look familiar, choose No, secure account Follow the steps to help secure your account
  • Crear una alerta - Ayuda de Búsqueda de Google
    Puedes recibir correos electrónicos cuando aparezcan resultados nuevos sobre un tema en la Búsqueda de Google
  • Public Alerts Partner FAQs - Google Help
    Click the alert Select Hide alert To view more details: Click on the alert Select View more details While we can’t guarantee that you’ll see every alert when searching on Google Maps for Mobile, we’re doing our best to show what’s important when you need it, and hope that Google Public Alerts is a useful additional source of
  • Track flights prices - Computer - Travel Help - Google Help
    If you’re not ready to book a trip, you can use Google Flights to track flight prices based on specific flights, routes, and dates
  • Crisis-related alerts in Google Maps - Google Maps Help
    Tap the fire alert banner: If an active fire’s location overlaps with the visible part of your map, a fire alert banner shows up in the Explore sheet on the Maps homescreen Tap the banner to turn on the layer
  • How to replace your Nest Protect after expiration - Google Help
    Select a replacement device We've partnered with First Alert, a trusted brand in fire safety, to offer the First Alert Smart Smoke Carbon Monoxide Alarm as a compatible replacement for your 2nd gen Nest Protect when used with the Google Home app
  • アラートの作成 - Google 検索 ヘルプ
    Google 検索で特定のトピックについて新しい検索結果が見つかったときにメールが届くようにすることができます。





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