Word · Frequency #4966
alert
警告；使警觉；提醒
To give warning to somebody; to make somebody aware of something.
- 1.
To give warning to.
警告,使警觉
警告,使警觉；使警觉；通知；使意识到
In use
The security guard alerted the police about the suspicious package.
Please alert me if there is any change in the schedule.
The report is alerting the public to the dangers of smoking.
alert sb to sth
用"to"引出需要警觉的事物。
They alerted me to the danger.
他们提醒我注意危险。
alert sb that...
that从句说明具体信息。
We alerted the police that a burglar was in the house.
我们通知警方屋里有个窃贼。
alert sb of/about sth
"of"或"about"后接提醒的内容。
Please alert us of any changes.
如有任何变动请通知我们。
Verb forms
base alert · third person alerts · -ing alerting · past alerted · past participle alerted
规则动词
Common mistakes
I am alert you to the danger.I alert you to the danger.
错误使用了形容词形式“alert”作为谓语，应使用动词原形“alert”直接作谓语，避免“be动词+形容词”结构。
I alerted him about the problem.I alerted him to the problem.
动词“alert”后需接介词“to”表示“使某人注意某事”，而非介词“about”。
Connections
Collocations
- alert someone to something
- 提醒某人注意某事
- The report alerted us to the dangers of cyber attacks.这份报告提醒我们注意网络攻击的危险。
- alert the authorities
- 通知当局
- Witnesses alerted the authorities immediately after the accident.目击者在事故发生后立即通知了当局。
- alert the public
- 提醒公众
- The government alerted the public about the approaching storm.政府提醒公众注意即将到来的暴风雨。
- alert the police
- 报警
- She alerted the police when she heard strange noises.她听到奇怪的声音后报了警。
- alert someone about a problem
- 通知某人问题
- The team leader alerted the manager about the software issue.团队领导通知经理软件问题。
Learner notes
Memory Tip
联想“alert”发音像“饿了他”，想象饥饿的人对食物非常警觉，一有动静就迅速行动。
Context & Register
register: mixed; contexts: 紧急通知, 日常提醒; note_zh: 动词alert通常用于引起注意的场合，正式程度因语境而异，紧急情况下常用，日常提醒亦可。
Grammar Note
常用结构为 alert sb to sth，注意介词 to 的使用
Pronunciation & Spelling
These words all rhyme with 'alert' (stressed /ɜːrt/). Beware of lookalikes such as 'expert' (first-syllable stress) and 'desert' (noun, pronounced /ˈdɛzərt/) which do not rhyme.
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。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.