alert

名词 n. 动词 v. 形容词 adj.
中文释义
英 /əˈlɜːt/    美 /əˈlɝt/

英文释义

名词 n.
  1. An alarm.
  2. A notification of higher importance than an advisory.
  3. A state of readiness for potential combat.
    — an airborne alert; ground alert
  4. Synonym of bell (“bell character”).
动词 v.
  1. To give warning to.
形容词 adj.
  1. Attentive; awake; on guard.
  2. brisk; nimble; moving with celerity. obsolete
    — I saw an alert young fellow that cocked his hat upon a friend of his who entered just at the same time with myself

词形变化

more alert comparative most alert superlative alerts plural alerts present,singular,third-person alerting participle,present alerted participle,past alerted past

词汇关系

衍生词
A&O assessment alert and oriented assessment alert and oriented alertless alertly alertness hyperalert nonalert overalert superalert unalert alert fatigue alert five amber alert drink alert e-alert margin alert medical alert jewelry on alert on the alert red alert silver alert spew alert spoiler alert

词源

词源 1
From French alerte (“alert”), from the phrase à l'erte (“on the watch”), from Italian all'erta (“to the height”), from erta (“lookout, tower”).
词源 2
Formed within English by conversion, from alert (adjective). Compare French alerter.
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