on alert 的 3 个定义
- fully aware and attentive; wide-awake; keen: an alert mind.
- swift; agile; nimble.
- 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.
- 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.
on alert 近义词
等同于 vigilant
等同于 on call
on alert 的近义词 14 个
等同于 wakeful
等同于 unsleeping
更多on alert例句
- The US Federal Bureau of Investigation became involved early on when the Tesla employee alerted it to Kriuchkov’s plan.
- There's also an app—of course there's an app—that will alert you when the mask filters need to be replaced.
- The new $100 Inspire 2 activity tracker is different from the Halo, however, with a small screen that provides phone notifications and app alerts.
- Mobile phone and broadcast alerts advised people to prepare to evacuate.
- District Attorney Michael Ramsey of Butte County, where Paradise is located, confirmed in March that PG&E alerted his office to the allegations and said he was awaiting further information.
- Minutes before an airplane hit the water, an alert would go out.
- France is on high alert this week after a series of attacks by loners.
- I also want to alert you to the broader circumstances of my incarceration.
- Spoiler Alert: Do not read if you haven't seen season five episode eight of The Walking Dead, “Coda”
- They walk closely together, tense, and alert in their movements.
- It was Carmena, every nerve of her loyal nature on the alert to baffle this pursuer of Alessandro and Ramona.
- Then, his hand resting on the handle of the cab-door, this expression suddenly changed to one of alert suspicion.
- He is small, alert, brimful of jokes and of years; seventy they say, but he neither looks it nor acts it.
- But his eyes and ears were alert, and he was the first to hear the advent of a large body of horses along the main road.
- The almost lazy naturalness and simplicity faded gradually out of it, revealing the alert and seductive woman of the world.