| 释义 |
alert/əˈlɜːt//əˈlɜːrt/ ★★★★★n. - alerts
- alerting
- alerted
- alerted
- alert
- more alert
- most alert
n- ① (尤指空袭时的)警戒状态(←→all clear)
adj- ① 留心的;警觉的
- We have to be [stay] alert all the time.我们必须随时提高警觉。
- You must be alert to possible dangers.你必须当心可能的危险。
- ② 机敏的,敏捷的
- He is an alert boy.他是个敏捷的男孩。
- Mary was very alert in her replies.玛丽答复得很机敏。
vt- ③ 警告,使注意
- The police were alerted.警方得到警讯。
- The radio alerted the islanders to prepare for the typhoon.广播电台提醒那些岛民去防备那次台风。
- The doctor alerted me to the danger of overweight.医生要我注意过胖的危险。
字辨watchful: 指经常注意或警戒不懈的,为最普通的用语 a watchful keeper alert: 指随时可采取必要行动而警戒着的 alert soldiers vigilant: 尤指为了必要或明确的目的而不断地提防危险的 a vigilant guard 词族- alertlyadv.警觉地;机敏地
- alertnessn.机警;机敏
短语- on the alert
- The armed forces were on the alert.三军在警戒。
- He was instructed to be on the alert for any indications of battle.他奉命注意任何战斗的迹象。
- They were constantly on the alert not to be taken by surprise.他们不断地提防受到突袭。
同义词- brightadj.机敏的
- brilliantadj.聪颖的
- cleveradj.敏捷的
- knowingadj.聪明的
- smartadj.聪明的
- vigilantadj.警觉的
- admonish
- alarm
- alarum
- caution
- forewarn
- intelligent
- keen
- observant
- open-eyed
- quick
- quick-witted
- sharp
- sharp-witted
- tocsin
- wakeful
- warn
- warning
- wary
- watchful
- wide-awake
- alerting
- alive
- awake
- brisk
- lively
- merry
- qui vive
- rattling
- snappy
- spanking
- warning signal
- zippy
反义词- carelessadj.不小心的
- slowadj.缓慢的
词路径- entity
- abstraction
- abstract entity
- attribute
- state
- readiness
- preparedness
- preparation
- alert
- qui vive
上位词- preparation
- preparedness
- readiness
- sign
- signal
- signaling
- warning
下位词- air alert
- alarm bell
- burglar alarm
- fire alarm
- foghorn
- fogsignal
- horn
- red alert
- red flag
- siren
- strip alert
- tocsin
- torpedo
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