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alertness

/uh-lurt/US // əˈlɜrt //UK // (əˈlɜːt) //

警觉性,警惕性,警觉,警戒性

Related Words

Definitions

adj.形容词 adjective
  1. 1
    • : fully aware and attentive; wide-awake; keen: an alert mind.
    • : swift; agile; nimble.
n.名词 noun
  1. 1
    • : an attitude of vigilance, readiness, or caution, as before an expected attack.
    • : a warning or alarm of an impending military attack, a storm, etc.: We'd just boarded the bus when the alert sounded.
    • : the period during which such a warning or alarm is in effect.
v.有主动词 verb
  1. 1
    • : to warn to prepare for action.
    • : to warn of an impending raid, attack, storm, etc.: The radio alerted coastal residents to prepare for the hurricane.
    • : to advise or warn; cause to be on guard: to alert gardeners to the dangers of some pesticides.

Synonyms & Antonyms

Examples

  • Exposure alerts worked for the governor of Virginia, Ralph Northam.

  • On Tuesday, Oaks and his colleagues were alerted that Braddy had fled to Maryland and was considered to be armed and dangerous.

  • He became McMurdo’s resident aurora chaser, reading up on the Southern Lights and alerting his colleagues when they could expect the most dazzling displays.

  • To avoid alerting their prey, cheetahs start out hunting low to the ground, where their spotted coat helps them blend into the terrain.

  • In addition, users will be able to configure alerts if there’s no activity or when the first interaction with the device occurs on a daily basis.

  • The Mossad high command must surely be convening emergency meetings in an atmosphere of tension and heightened alertness.

  • Researchers have found that a long nap — of two hours or more — can significantly improve alertness for up to 24 hours.

  • And on the edges of evangelicalism, where alertness to “New Age” influence runs high, concern has bloomed into outrage.

  • Like all barbiturates, it can overwhelm alertness to the point of stopping the urge to breathe.

  • Navigating through high turbulence and electric storms needs total alertness.

  • Escape may occasionally develop mental alertness, but does not usually do so.

  • Then Sogrange's voice and the beat of his forefinger upon the table stiffened him into sudden alertness.

  • The prisoner, a few feet from them across the table, was suggestive of neither resistance nor mental alertness.

  • And she had the look of alertness and perfect health which often accompanies a happy temperament.

  • Life means to M. de Blowitz a mental activity and alertness that never sleep.