The bank is alert to the danger.
该银行对这种危险有警觉。
她整个人保持着戒备状态。
我们都必须保持警觉。
Two alert scientists spotted the mistake.
两个警觉的科学家发现了这个错误。
All the St. Louis hospitals are on red alert.
所有的圣路易斯医院都拉响了紧急警报。
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 security alert brought the airport to a standstill.
安全警戒使机场陷入停顿状态。
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。
He wanted to alert people to the activities of the group.
他想警告人们注意这个组织的行动。
The attack was unsuccessful and served only to alert the enemy.
进攻未奏效，反而使敌人警觉起来。
The armed forces were on high alert to guard against any retaliation.
武装部队保持高度警惕，以防发生任何报复行为。
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。
They were quiet during the alert.
警戒期间他们保持安静。
他叫道，再次警觉起来。
The cat is alert to every sound and movement.
那只猫对任何响动都很警觉。
When you click the trigger, it pops up an alert.
当你点击这个触发器时，它就会弹出一条警告。
For example, fear can alert us to possible danger.
例如，恐惧可以提醒我们可能存在的危险。
They were up and alert and ready, evidently, whoever they were!
显然，不管他们是谁，他们都抖擞精神，警觉起来，做好了准备！
It's a very intense job, and they have to be alert every moment.
这是高度集中的工作，他们需要时刻保持警惕。
Just keeping you awake and alert apparently isn't enough of a benefit.
仅仅让您保持清醒和警觉显然不足以带来好处。
You can be alert, even though the intensity of the stimulus is quite low.
即使刺激的强度很低，你也要保持警惕。
We become more energetic, more alert, better able to take effective action.
我们变得更有活力、更警觉、更有能力采取有效的行动。
When the system thinks it's being jammed, it'll notify you via push alert .
如果系统判断受到干扰，就会推送警报来通知你。
An alert should appear, informing you to first select an item from the grid.
一个警告就会出现，通知您首先从这个表格中选择一个条目。
He remembered afterward how intensely wide awake and alert he had thought he was.
后来他回想起来，还以为自己当时是多么清醒和警觉。
I mention this because such complications should alert the careful reader. Right?
我提到这个是因为这样的复杂度应该引起细心的读者的注意。对吗？
The baby is very mentally alert.
这孩子脑子很机灵。
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