alert

One should not run about aimlessly during an alert.

空袭警报期间不可到处乱跑。

She is always on the alert for some new calamity.

她总是保持警觉以防某种新的灾难。

Keep on the alert; we're due for an inspection.

提防着点,轮到检查我们了。

Be sure to be watchful or alert.

必须留神,千万要提防。

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

这个地区在得到恐怖主义者轰炸后作了应急准备。

The alert leopard went up to a deer quietly.

警觉的豹子静悄悄地走近一只鹿。

An alert listener will have noticed the error.

耳朵尖的人能听出这个错。

Troops are on the alert against any possible aggression.

军队戒备着可能的来犯。

Articles in Time's Medical Section often alert readers to unsuspected ailments.

《时代》周刊医药栏目里的文章常告诫读者对自己意想不到的疾病保持警惕。

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。

Alert to circumstances; attentive.

对周围环境敏感的; 留心的

They have put the army on the alert.

他们已使军队进入戒备状态。

The boy was alert in answering the stranger's questions.

男孩很机敏地回答了陌生人的问题。

The cat is alert to every sound and movement.

那只猫对任何响动都很警觉。

Suddenly the combat alert sounded.

突然战斗警报响了。

Our forces are normally in various states of alert.

我们的部队通常处于不同的战备状态。

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。

A sparrow is very alert in its movement.

麻雀的动作很敏捷。

Be alert! There's a man spying on us not far away.

当心,有人在不远处窥视我们。

The city must be on the alert for being polluted.

城市要防止污染。

Dogs are always on the alert wherever they go.

无论在什么地方,狗总是处于警觉状态。

We must be constantly alert to this danger.

对此,我们必须保持高度的警惕。

We should stand by on a hurricane alert.

在暴风雨警戒期间我们应加戒备。

A lot of people will be alert and waiting.

许多人都将提高警惕等待着。

Her work is extraordinary rich and alert.

她的作品特别华丽而灵活。

We will alert operating personnel to repair.

我们将要通报操作人员去维修。

Assign supervisor and enclose alert area.

设立监护人和警戒区域。

Be alert to shame lurking within you.

要时刻警觉羞愧就潜伏在你的内心。

You must be alert to the hidden danger.

你必须对隐藏的危险保持警觉。

We should be alert to cultural imperialism.

我们应当警惕文化扩张。

A hotel alert rated everything in the book.

饭店报警按规定是重于一切的。

We should stand by on a hurricane alert .

在暴风雨警戒期间我们应加戒备。

Alert to danger; an alert bank guard.

警惕危险;警觉的银行保安人员

But we must remain on the alert.

但是我们现在仍然要保持警惕。

The government has put the army on alert.

政府已让部队进入戒备状态。

To remain alert or calm,especially in a crisis.

警觉保持头脑警觉或镇静,尤指在危机时刻

A.n alert and responsive baby is a joy.

机警、反应快的婴孩可爱。

Primates are alert, inquisitive animals.

灵长目动物是机灵、好奇的动物。

The garrison was alert, but too few.

驻防的军队是保持警惕的,但是人数毕竟太少了。

Old Jolyon was on the alert at once.

老乔里恩立刻警觉起来。

The sentries were all on the alert.

哨兵们都警戒着。

Her expression was watchful and alert.

她露出一副察颜观色、处处提防的表情。

Alert to circumstances;attentive.

对周围环境敏感的;留心的

They must be constantly on the alert for the enemy.

他们必须随时注意敌人。

To be careful or on the alert;take care.

戒备提防或戒备;注意

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。

The baby is very mentally alert.

这孩子脑子很机灵。

That was the alert, I calculated.

我琢磨,这是在告诉众人对我保持戒备。

Two alert scientists spotted the mistake.

两个警觉的科学家发现了这个错误。

We must be alert to the possibility of danger.

我们必须认识到危险的可能性。