alert什么意思 alert音标、翻译、用法
alert音标
英 [əˈlɜ:t]
美 [əˈlɜrt]
alert翻译
adj.
警觉的，警惕的，注意的；思维敏捷的；活泼的；
n.
警报；警戒状态；
vt.
向…报警；
变形
复数：alerts过去式：alerted过去分词：alerted现在分词：alerting第三人称单数：alerts
双语释义
adj.(形容词)警惕的,警觉的,注意的watchful and ready to deal with danger机灵的,敏捷的quick to see and actv.(动词)vt. 使处于戒备状态; 警告make sb watchful and ready for possible dangern.(名词)[C][S]警戒；戒备；警惕a situation in which people are watching for danger and ready to deal with it[C]警报a warning of danger or of a problem
英英释义
alert[ ə'lə:t ]
n.condition of heightened watchfulness or preparation for action
"bombers were put on alert during the crisis"
同义词：qui vive
a warning serves to make you more alert to danger
同义词：alerting
an automatic signal (usually a sound) warning of danger
同义词：alarmwarning signalalarum
v.warn or arouse to a sense of danger or call to a state of preparedness
"We alerted the new neighbors to the high rate of burglaries"
同义词：alarm
adj.very attentive or observant
"an alert and responsive baby is a joy"; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty"
mentally responsive
"an alert mind"
not unconscious; especially having become conscious
"the patient is now awake and alert"
同义词：awake(p)
(usually followed by `to') showing acute awareness; mentally perceptive
"alert to the problems"
同义词：alive(p)awake(p)
alert用法
词汇搭配
用作形容词 (adj.)～+名词alert mind反应敏捷的头脑alert movements敏捷的动作～+副词alert mentally思想上警惕～+介词alert in answering questions留心回答问题alert to随时注意alert to every sound and movement对任何响动都很警觉用作动词 (v.)～+名词alert the public提醒公众～+副词alert amazingly吃惊地警告alert cautiously小心地警告alert extremely完全地警告alert guardedly谨慎地警告alert resolutely绝对地警告alert sharply尖锐地警告alert wisely聪明地警告～+介词alert to the danger提醒注意其危险性alert to the need提醒注意其必要性用作名词 (n.)动词+～call an alert发出警报sound the alert拉响警报call off an alert取消警戒状态go on alert进入戒备形容词+～24-hour alert昼夜警戒active alert战斗警报blue alert空袭警报false alert假警报full alert全面戒备状态general alert全面警戒No 1 alert一级战备preliminary alert预备警报red alert紧急警报white alert解除警报yellow alert预备警报名词+～air alert空袭警报ground alert地面待战malfunction alert故障报警nuclear alert核警报介词+～during an alert在警戒期间in state of alert处于警戒状态～+介词the alert against any possible aggression警惕任何可能的侵略the alert for any indications of battle注意任何战事的迹象
词组短语
alert someone to sth使...警觉；使...警惕
on the alert提防；警戒著；随时准备著
red alert紧急警报，红色警报；应急状况
同近义词辨析
cautious, considerate, alert
这组词都有“小心的，谨慎的”的意思，其区别是：
cautiousa.细心的，谨慎的。
He has a cautious attitude about spending money.在花钱的问题上他态度谨慎。
consideratea.关心他人的，体贴的。
He is always considerate of others; he is kind and sympathetic.他总是很体谅他人，并且慈祥而富有同情心。
alerta.警惕的，留神的。
The hostess remained standing, alert to every guests' drinking need.女主人一直站在旁边，时刻准备给大家斟酒。
双语例句
用作形容词(adj.)The alert leopard went up to a deer quietly.
警觉的豹子静悄悄地走近一只鹿。Although he's over eighty his mind is still remarkably alert.
他虽已年过八十，但头脑仍然十分机敏。用作及物动词(vt.)I must alert him to the need to solve the problem.
我必须使他认识到解决这问题的必要性。But we must remain on the alert.
但是我们现在仍然要保持警惕。He decided he would stay more alert from now on.
他决定从现在起要更提高警惕了。用作名词(n.)Troops are on the alert against any possible aggression.
军队戒备着可能的来犯。One should not run about aimlessly during an alert.
空袭警报期间不可到处乱跑。
权威例句
How dying cells alert the immune system to danger.
NHLI BARI clinical alert on diabetics treated with angioplasty
Antitrust Alert: ACCC Pushes for General Safety Provision on Sale and Marketing of Products
Compliance Alert: Guidelines on Product Oversight and Governance Arrangements for Retail Banking Products
Eye movements evoked by collicular stimulation in the alert monkey
A study on application of BacT/ALERT 3D liquid culture technology on tuberculosis drug resistance detection
Design and Fabrication of Detector Module for UFFO Burst Alert & Trigger Telescope
Neuronal responses to static texture patterns in area V1 of the alert macaque monkey.
ACCF/AHA Clopidogrel Clinical Alert: Approaches to the FDA “Boxed Warning” A Report of the American College of Cardiology Foundati...
Pittsburgh Police Officers Responding to an Alert from the City’s Gunshot Detection System in July Found an 18-Year-Old Woman Shot ...