Word · Frequency #4966
alerts
警报；警告
alerts is the plural of alert.
核心释义
A warning or alarm that tells people about danger.
- 1.
警报。
An alarm.
- 2.
高度警觉或准备行动的状态
condition of heightened watchfulness or preparation for action
- 3.
一种重要性高于咨询的通知。
A notification of higher importance than an advisory.
- 4.
警告使你对危险更加警觉
a warning serves to make you more alert to danger
- 5.
备战状态。
A state of readiness for potential combat.
- 6.
自动信号(通常是声音)警告危险
an automatic signal (usually a sound) warning of danger
- 7.
bell(“响铃字符”)的同义词。
Synonym of bell (“bell character”).
警觉；戒备；重要通知；警示通知；响铃字符；警报。；高度警觉或准备行动的状态
用法In use
The soldiers were placed on high alert after the suspicious activity was reported.
用法提示：这里“alert”作为名词，用于短语“on alert”，表示戒备状态。
The weather service issued a tornado alert for the entire region.
用法提示：这里“alert”作为名词，表示一种警告信号。
Residents remained on alert for further aftershocks following the earthquake.
用法提示：这里“alert”作为名词，用于“on alert”短语，表示警觉状态。
bombers were put on alert during the crisis
be on alert for sth
The army is on alert for any possible attack.
军队对任何可能的袭击保持警觉。
相关词与表达Connections
搭配Collocations
- on the alert
- 保持警惕；处于戒备状态
- Police are on the alert for suspicious activity.警方保持警惕，注意可疑活动。
- sound an alert
- 发出警报
- The system sounds an alert when the door is opened.门被打开时，系统会发出警报。
- issue an alert
- 发布警报；发出警告
- The government issued an alert about the approaching storm.政府发布了关于风暴来袭的警报。
- red alert
- 红色警报；紧急戒备状态
- The military was placed on red alert.军方进入了红色警戒状态。
- security alert
学习提示Learner notes
记忆技巧Memory Tip
记忆联想：想象警报（alert）响起，你立刻绷紧神经、竖起耳朵准备行动——这就是 alert 的‘警觉/戒备’。
语境与语域Context & Register
语域：mixed 常见场景：emergency warning systems、military or police readiness、mobile and software notifications alert 作名词时，可用于紧急警报、军事或警方戒备等较正式场合，也常见于手机和软件通知等日常场景。语气随语境不同，正式或中性，通常不是俚语或粗俗说法。
语法说明Grammar Note
可数名词指具体的警告信号；不可数名词指保持警觉的状态
发音与拼写Pronunciation & Spelling
All the words above rhyme with 'alert' in its American pronunciation /əˈlɝt/, sharing the stressed sound /ɝt/. Beware of lookalikes such as 'alter' /ˈɔːltər/ and 'alt' /ɔːlt/, which start with 'al' but have a different vowel sound.
用法优先级Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.