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～+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～+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 angioplastyAntitrust Alert: ACCC Pushes for General Safety Provision on Sale and Marketing of ProductsCompliance Alert: Guidelines on Product Oversight and Governance Arrangements for Retail Banking ProductsEye movements evoked by collicular stimulation in the alert monkeyA study on application of BacT/ALERT 3D liquid culture technology on tuberculosis drug resistance detectionDesign and Fabrication of Detector Module for UFFO Burst Alert & Trigger TelescopeNeuronal 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 ...
