1. 警觉的，警惕的
2. 留神的
3. 机敏的，机灵的，灵活的，机警的，灵敏的
4. 精神抖擞的
5. 细心的
6. 活跃的

1. 警戒期间，警戒期间，警报发出后，部队待机出动的时间
2. 警戒，警报，警惕，戒备
3. 警戒状态
4. 【军】紧急待命，战备，待命行动
5. 发警报
6. 报警信号
7. “警戒”（英国制造的巡逻艇）

1. 使警觉， 使警戒，（使）警惕，使戒备，使（某人）保持警觉
2. 使注意，提醒，使...意识到， 使认识到，提醒（某人）注意
3. 通知待命，通知，通报
4. 向…报警，向…发出警报
5. 告诉
6. 发出警告，命令警戒
7. 清醒

1. 警惕的,警觉的,注意的 watchful and ready to deal with danger
2. 机灵的,敏捷的 quick to see and act

1. vt. 使处于戒备状态; 警告 make sb watchful and ready for possible danger

1. [C][S]警戒；戒备；警惕 a situation in which people are watching for danger and ready to deal with it
2. [C]警报 a warning of danger or of a problem

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

1. engaged in or accustomed to close observation;

   "caught by a couple of alert cops"
   "alert enough to spot the opportunity when it came"
   "constantly alert and vigilant, like a sentinel on duty"
   

2. quick and energetic;

   "a brisk walk in the park"
   "a lively gait"
   "a merry chase"
   "traveling at a rattling rate"
   "a snappy pace"
   "a spanking breeze"
   

3. mentally perceptive and responsive;

   "an alert mind"
   "alert to the problems"
   "alive to what is going on"
   "awake to the dangers of her situation"
   "was now awake to the reality of his predicament"
   

1. warn or arouse to a sense of danger or call to a state of preparedness;

   "The empty house alarmed him"
   "We alerted the new neighbors to the high rate of burglaries"
   

1.警觉的；警惕的；留神的；机敏的
If you arealert, you are paying full attention to things around you and are able to deal with anything that might happen.

e.g. We all have to stayalert...
我们大家都必须保持警惕。
e.g. He had been spotted by analert neighbour.
一个警觉的邻居发现了他。

2.充分意识到…的;完全感觉到…的
If you arealert to something, you are fully aware of it.

e.g. The bank isalert to the danger.
银行充分意识到了危险。

3.警戒（状态）；戒备（状态）
Analert is a situation in which people prepare themselves for something dangerous that might happen soon.

e.g. Due to a securityalert, 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。

4.向…报警；使警觉；使警惕；使注意
If youalert someoneto a situation, especially a dangerous or unpleasant situation, you tell them about it.

alert的意思

e.g. He wanted toalert people to the activities of the group...
他想提醒人们小心该团体的活动。
e.g. I was hoping he'dalert the police.
我当时希望他会报警。

5. see also: red alert

6.处于警戒状态;保持戒备
If soldiers or police areon alert, they are ready to deal with anything that may happen.

e.g. Soldiers and police have been put onalert.
士兵和警方都已进入警戒状态。

7.准备就绪；防备着
If you areon the alert for something, you are ready to deal with it if it happens.

e.g. They want to be on thealert for similar buying opportunities.
他们希望随时掌握有关类似购买机会的信息。

1. alert的解释

1. 警告：以及Bently Nevada电涡流传感器),每个通道最多4个变量,具有独立积分和滤波控制,某些变量具有多达八极点的滤波,24位A/D转换器,25 kHz 带宽,4通道温度输入(E、J、K和 T 型热电偶),2级报警 - 警告(alert)和危险(DANGER),

2. 报警：选择的流程(Flow)(5),请注意鼠标指针的更改(6)(使用流程工具时,光标形状有所变化以表示当前位置是否可以作为流程定义的来源或目标). 12、 单击报 警(alert)模式 trigger (7),以指定目标,这样就出现一个箭头

3. 机警的：见过面对媒体英气逼人的晓明,再感受到晓明在明教中的那种放松,我能够很清楚的感受到晓明在工作中和生活中的两种不同状态. 工作时的他是机警的(alert),职业化的(professional)和专注的(dedicated),但是看起来很严肃,笑容仿佛穿上了无形的盔甲,时时防备着明枪暗箭.

4. 警报：过去他曾担任采访性杂志<>(alert)的主编,也出版过不少著作. 他的作品中包括朋克乐手尼克凯夫(Nick Cave)以及德国工业乐团(Einstürzende Neubauten)的自传. 沙弗瑞祖拉沃斯基毕业于波兰罗兹国际电影学校,