詞語:alert
alert是什麼意思
簡明英漢詞典
alert
[E5lE:t]
adj.
提防的, 警惕的
n.
警惕, 警報
基本詞義
ALERT
=Alcohol Level Evaluation Roadside Test 路邊酒精濃度鑒定試驗(防止司機酒後駕車的測試系統)
美國傳統詞典[雙解]
alert
a.lert
AHD:[…-l?rt「]
D.J.[*6l*8t]
K.K.[*6l)t]
adj.(形容詞)
(1)Vigilantly attentive; watchful:
警覺的,警惕的;注意的:
alert to danger; an alert bank guard.See Synonyms at aware
警惕危險;警覺的銀行保安人員參見 aware
(2)Mentally responsive and perceptive; quick.
思維敏捷的:思維反應迅速且感覺靈敏的;快速敏捷的
(3)Brisk or lively in action:
活潑的:行動輕快或有活力的:
the bird's alert hopping from branch to branch.
小鳥在樹枝間歡快地跳躍
n.(名詞)
(1)A signal that warns of attack or danger:
警報:警告進攻或危險的信號:
Sirens sounded the alert for an air raid.See Synonyms at alarm
空襲警報的警笛響起參見 alarm
(2)A condition or period of heightened watchfulness or preparation for action:
警戒狀態:高度警惕或準備隨時行動的狀態或階段:
Nuclear-armed bombers were put on alert during the crisis.
核武裝轟炸機在危機期間負責警戒
v.tr.(及物動詞)
a.lert.ed, a.lert.ing, a.lerts
To notify of approaching danger or action; warn:
向…報警:對臨近的危險或行動發出通知;警告:
a flashing red light that alerted motorists to trouble ahead.
閃爍的紅燈警告摩托車手前面有危險
習慣用語
on the alert
Watchful and prepared for danger, emergency, or opportunity:
警戒著,防備著:注意著且防備著危險、意外或機會:
bird watchers on the alert for a rare species.
看守者人密切注意稀有鳥類
語源
(1)French alerte
法語 alerte
(2)from Italian all' erta [on the lookout]
源自 意大利語 all' erta [密切注意]
(3)alla [to the, on the] from Latin ad illam [to that] ad- [ad-] illam [accusative of] illa [that] * see al- 1
alla [對…,在…之上] 源自 拉丁語 ad illam [對那個] ad- [前綴,表「朝向」] illam [] illa的賓格 [那] *參見 al- 1
(4)erta [lookout] [from past participle of] ergere [to raise] from Latin ?e * see erect
erta [注意] [] 源自ergere的過去分詞 [舉起] 源自 拉丁語 ?e *參見 erect
現代英漢詞典
alert
[E5l\:t]
adj.
(1)警覺的;警惕的; 機警的
He is an alert boy.
他是一個機警的孩子。
(2)機靈的;活躍的
You must keep alert in class.
你們應該在課堂上保持活躍。
詞性變化
alert
n.
(1)警報
(2)警戒期間
alert
vt.
(常與to連用)警告
The doctor alerted me to the dangers of smoking.
醫生警告我注意吸煙的危險。
The policeman alerted me to the danger.
警察警告我有危險。
現代英漢綜合大辭典
alert
[E5lE:t]
adj.
(1)警惕的; 警覺的, 留心的
(2)活躍的, 敏捷的, 機靈的
詞性變化
alert
[E5lE:t]
n.
(1)注意, 小心; 警戒; 警報
(2)警報[戒]期間
(3)【軍】緊急待命
(4)待命的通知
No. one alert
一級戰備
One should not run about aimlessly during an alert.
空襲警報期間不可到處亂跑。
alert
[E5lE:t]
vt.
(1)使...處於戒備
(2)發空襲或暴風警報給...
(3)警告...作...準備
The radio alert ed the citizens to prepare for the hurricane.
電台警告市民們作好預防暴風準備。
繼承用法
alertly
adv.
alertness
n.
習慣用語
air alert
空襲警報; 空中待機(飛機起飛, 在空中待命)
air-raid alert
空襲警報
be on the alert
注意; 提防; 警戒
blue alert
(預備警報後的)空襲警報; 颱風警報
put on the alert
(軍隊)處於戒備狀態
red alert
緊急警報; 緊急戒備
white alert
解除警報
alert to do
留心做
alert ...to the fact that
提醒...注意如下事實
yellow alert
預備警報
特殊用法
active alert
戰鬥警報
battle alert
戰鬥警報
ground alert
地面待戰[值班]; 地面待戰信號[飛機]
long-duration alert
長期待戰[戒備]
malfunction alert
故障報警器
alert by radar
雷達警戒
基本詞義
ALERT
(1)=Alcohol Level Evaluation Roadside Test 路邊酒精濃度鑒定試驗(防止司機酒後駕車的測試系統);
(2)Automated Law Enforcement Reporting Technique 自動化法律實施通報技術;
(3)Automatic Logging Electronic Reporting and Telemetering 自動記錄式電子報告與遙測系統
英文相關詞典
alert
attentivelivelynimbleon the jobpromptreadywatchfuldullslowtorpid
[七國語言]英漢公共大詞典
alert
警戒的;敏捷的;發出警報
美國傳統詞典
alert
a.lert
AHD:[…-l?rt「]
D.J.[*6l*8t]
K.K.[*6l)t]
adj.
(1)Vigilantly attentive; watchful:
alert to danger; an alert bank guard.See Synonyms at aware
(2)Mentally responsive and perceptive; quick.
(3)Brisk or lively in action:
the bird's alert hopping from branch to branch.
n.
(1)A signal that warns of attack or danger:
Sirens sounded the alert for an air raid.See Synonyms at alarm
(2)A condition or period of heightened watchfulness or preparation for action:
Nuclear-armed bombers were put on alert during the crisis.
v.tr.
a.lert.ed, a.lert.ing, a.lerts
To notify of approaching danger or action; warn:
a flashing red light that alerted motorists to trouble ahead.
習慣用語
on the alert
Watchful and prepared for danger, emergency, or opportunity:
bird watchers on the alert for a rare species.
語源
(1)French alerte
(2)from Italian all' erta [on the lookout]
(3)alla [to the, on the] from Latin ad illam [to that] ad- [ad-] illam [accusative of] illa [that] * see al- 1
(4)erta [lookout] [from past participle of] ergere [to raise] from Latin ?e * see erect
英漢船舶大詞典
alert
n.待命行動,警惕的
英漢電力大詞典
alert
n.告警信號,通知信號
朗文英漢綜合電腦詞典
alert
報警(信號)
英漢電信大詞典
alert
n.告警信號,通知信號
英漢地質大詞典
alert
n.警報信號,待機狀態,待命
英漢航空大詞典
alert
n.警戒,告警;n.使警覺,使處於警戒狀態;n.準備狀態,戒備狀態
英漢化學大詞典
alert
adj.留心的;n.禁戒,警報
英漢海運大詞典
alert
機靈的警戒,注意
基本詞義
alert
機靈的警戒,注意警報
英漢經貿大詞典
alert
adj.留心的;n.禁戒,警報
英漢計算機大詞典
alert
adj.留心的;n.禁戒(警報)
英漢建築大詞典
alert
vt.警惕的,機警的
英漢水利大詞典
alert
n.警覺的,機靈的,警報
英漢心理學大詞典
alert
警覺
英漢冶金大詞典
alert
n.警報
相關:Alert的翻译及解釋