英汉词典

alert 基本解释

• vt. 警告；使警觉，使意识到
• adj. 警惕的，警觉的；留心的
• n. 警戒，警惕；警报
• n. (Alert)人名；(西)阿莱尔特

alert 词态变化

alert 中文词源

来自意大利语all’erta. -erta, 同 erect，竖直。即全部到城墙上守城。

alert 英文词源

alert

alert: [17] Alert comes, via French, from an Italian phrase all’ erta ‘on the look-out’, or literally ‘at the (alla) watch-tower (erta)’. Erta was short for torre erta, literally ‘high tower’, in which the adjective erta ‘high’ came ultimately from Latin ērectus, the past participle of ērigere ‘raise’.
=> erect

alert (adv.)

"on the watch," 1590s, from French alerte "vigilant" (17c.), from phrase à l'erte "on the watch," from Italian all'erta "to the height," from erta "lookout, high tower," noun use of fem. of erto, past participle of ergere "raise up," from Latin erigere "raise" (see erect). The adjective is attested from 1610s, the noun from 1803, and the verb from 1868. Related: Alerted; alerting.

alert 词组搭配

alert 英文释义

1. condition of heightened watchfulness or preparation for action;

"bombers were put on alert during the crisis"

2. a warning serves to make you more alert to danger

3. an automatic signal (usually a sound) warning of danger

alert 双语例句

1. The armed forces were on high alert to guard against any retaliation.

武装部队保持高度戒备，以防发生任何报复行动。

来自柯林斯例句

2. They want to be on the alert for similar buying opportunities.

他们希望随时掌握有关类似购买机会的信息。

来自柯林斯例句

3. The bank is alert to the danger.

银行充分意识到了危险。

来自柯林斯例句

4. All the Plymouth hospitals are on red alert.

普利茅斯所有的医院都处于紧急状态之中。

来自柯林斯例句

5. Soldiers and police have been put on alert.

士兵和警方都已进入警戒状态。

来自柯林斯例句

alert 实用场景例句

Police are warning the public to be on the alert for suspicious packages.

警方警告公众要警惕可疑包裹。

牛津词典

More than 5 000 troops have been placed on (full) alert .

5 000多名士兵已处于（全面）戒备状态。

牛津词典

a bomb/fire alert

炸弹 / 火警警报

牛津词典

They had been alerted to the possibility of further price rises.

他们已意识到价格可能继续上涨。

牛津词典

Neighbours quickly alerted the emergency services.

邻居很快向紧急情况服务部门报了警。

牛津词典

Alerted by a noise downstairs, he sat up and turned on the light.

楼下的响声使他警觉，他坐起来打开灯。

牛津词典

We must be alert to the possibility of danger.

我们必须认识到危险的可能性。

牛津词典

Suddenly he found himself awake and fully alert.

突然他发觉自己醒了过来，而且高度警觉。

牛津词典

Two alert scientists spotted the mistake.

两个警觉的科学家发现了这个错误。

牛津词典

I was hoping he'd alert the police.

我当时希望他会报警。

柯林斯高阶英语词典

Soldiers and police have been put on alert.

士兵和警方都已进入警戒状态。

柯林斯高阶英语词典

They want to be on the alert for similar buying opportunities.

他们希望随时掌握有关类似购买机会的信息。

柯林斯高阶英语词典

He wanted to alert people to the activities of the group...

他想提醒人们小心该团体的活动。

柯林斯高阶英语词典

Due to a security alert, this train will not be stopping at Oxford Circus.

由于安全戒备的原因，该次列车在“牛津街口广场”站将不停留。

柯林斯高阶英语词典

The bank is alert to the danger.

银行充分意识到了危险。

柯林斯高阶英语词典

We all have to stay alert...

我们大家都必须保持警惕。

柯林斯高阶英语词典

He had been spotted by an alert neighbour.

一个警觉的邻居发现了他。

柯林斯高阶英语词典

What ever you choose to bring on your travels is of course an individual matter.

选择在旅途中带上什么东西,当然是您的个人问题.

期刊摘选

He is a man alert in problem.

他是个留意问题的人.

《简明英汉词典》

Alert readers may have noticed the misprint in last week's column.

细心的读者可能已经注意到上周专栏中的印刷错误了.

《简明英汉词典》

One should not run about aimlessly during an alert.

空袭警报期间不可到处乱跑.

《现代英汉综合大词典》

A monkey is very alert in its movements.

猴子的动作很敏捷.

《简明英汉词典》

A sparrow is very alert in its movements.

麻雀行动非常机灵.

《简明英汉词典》

They were constantly on the alert not to be taken by surprise.

他们一直处于常备不懈状态以防突然袭击.

《现代汉英综合大词典》

The district was put on red alert during a terrorist's bomb scare.

这个地区在得到恐怖分子炸弹恐吓后作了应急准备.

《简明英汉词典》

The Armies were constantly on the alert not to be taken by surprise.

部队一直处于警戒状态以防突然袭击.

《现代汉英综合大词典》

In our reading we should always be alert for idiomatic expressions.

我们在阅读过程中应经常注意惯用法.

《简明英汉词典》

Hearing this, I was instantly on the alert.

我一听这话, 当下就警惕起来.

《现代汉英综合大词典》