alerted

美 { "us": "", "uk": "" }
英 { "us": "", "uk": "" }
数据源: ai_enrichment
作为动词,表示警告或使警觉;作为形容词,指警惕或留心的状态;作为名词,指警戒或警报。

用法要点

句型搭配

常用作及物动词,后接宾语,表示警告某人或使某人警觉。也可用作形容词,修饰名词,表示警觉的状态。

• alert someone to something
• be alert for danger
• stay alert

介词用法

与介词'to'连用,表示警告某人注意某事;与'for'连用,表示警惕某事的发生。

• alerted to the risk
• alert for changes

语域说明

在正式和非正式语境中均常用,如日常对话、商务报告或安全通知,强调及时性和警觉性。

• The police alerted the public.
• She remained alert during the meeting.

基础例句

The teacher alerted the students to the upcoming test.

老师提醒学生们即将到来的考试。

I was alerted by a loud noise outside my window.

我被窗外的一声巨响惊醒了。

Stay alert while walking alone at night.

晚上独自走路时要保持警惕。

高级例句

The financial analyst alerted the company to potential market risks in the quarterly report.

财务分析师在季度报告中提醒公司注意潜在的市场风险。

Researchers were alerted to the new findings through a peer-reviewed journal.

研究人员通过同行评审期刊获悉了这些新发现。

The security system automatically alerts authorities in case of a breach.

安全系统在发生入侵时会自动向当局发出警报。

高频搭配

verb

alert authoritiesalert staffalert the mediaalert neighbors

adjective

highly alertconstantly alertmentally alertphysically alert

noun

security alertweather alertemergency alertred alert

adverb

immediately alertedquickly alertedproperly alerted

preposition

alerted aboutalerted toalerted for

phrase

on high alertalert and readyalert the system

常见错误

❌ 错误:He alerted me about the meeting.
✓ 正确:He alerted me to the meeting.

在表示警告或提醒注意某事时,'alert'通常与介词'to'连用,而不是'about',以强调指向性。

❌ 错误:She is very alerted person.
✓ 正确:She is a very alert person.

'alerted'是动词的过去分词形式,用作形容词时通常用'alert',表示警觉的状态,避免混淆词性。

近义词辨析

warn

'warn'更侧重于提前告知危险或问题,语气可能更强烈或正式;'alert'强调使某人警觉或意识到,常用于及时通知。

The weather service warned of a storm. (正式警告) vs. The app alerted users to the storm. (及时提醒)

notify

'notify'通常指正式或官方地通知信息,不一定涉及危险;'alert'则常与紧急或警觉情况相关,暗示需要立即关注。

The school notified parents about the event. (一般通知) vs. The alarm alerted everyone to the fire. (紧急警报)