alarm

noun

1. 惊恐；惊慌；恐慌
   fear and anxiety that sb feels when sth dangerous or unpleasant might happen
   1. ‘What have you done?’ Ellie cried in alarm .
      “你都干了些什么？”埃利惊恐地喊道。
   2. I felt a growing sense of alarm when he did not return that night.
      那天夜里他没有回家，我越来越感到恐慌。
   3. The doctor said there was no cause for alarm .
      医生说不必惊慌。
2. 警报
   a loud noise or a signal that warns people of danger or of a problem
   1. She decided to sound the alarm (= warn people that the situation was dangerous) .
      她决定发出警报。
   2. I hammered on all the doors to raise the alarm .
      我敲打所有的门让大家警觉。
3. 警报器
   a device that warns people of a particular danger
   1. The alarm went off at 7 o'clock.
      闹钟在7点钟响了。
4. 警报器
   a device that warns people of a particular danger
   1. The alarm went off at 7 o'clock.
      闹钟在7点钟响了。

verb

1. 使惊恐；使害怕；使担心
   to make sb anxious or afraid
   1. The captain knew there was an engine fault but didn't want to alarm the passengers.
      船长知道一台发动机出了故障，不过他不想惊动乘客。
2. 给（门等）安装警报器
   to fit sth such as a door with a device that warns people when sb is trying to enter illegally

1. N-UNCOUNT 惊恐；忧虑；担心
   Alarm is a feeling of fear or anxiety that something unpleasant or dangerous might happen.
   1. The news was greeted with alarm by MPs...
      得知这个消息，议员们忧心忡忡。
   2. She sat up in alarm...
      她惊慌得坐了起来。
   3. The moves reflect growing alarm over recent events.
      这些举动表明人们愈加担心最近发生的事件。
2. VERB 使惊恐；使忧虑；使担心
   If something alarms you, it makes you afraid or anxious that something unpleasant or dangerous might happen.
   1. We could not see what had alarmed him.
      我们搞不明白是什么使他忧虑不安。
3. N-COUNT 警报器
   An alarm is an automatic device that warns you of danger, for example by ringing a bell.
   1. He heard the alarm go off.
      他听见警报响了。
   2. ...an extremely sophisticated alarm system...
      极其先进的警报系统
   3. The other man rang the alarm bell.
      另一名男子按响了警铃。
4. 同alarm clock
   An alarm is the same as an alarm clock .
5. See also: alarming alarmed burglar alarm car alarm false alarm fire alarm smoke alarm
6. PHRASE 危险信号;警报
   If you say that something sets alarm bells ringing, you mean that it makes people feel worried or concerned about something.
   1. This has set the alarm bells ringing in Moscow...
      这已给莫斯科拉响了警报。
   2. Alarm bells are beginning to sound at Westminster.
      威斯敏斯特的警钟已开始敲响。
7. PHRASE 发出警报；敲警钟
   If you raise the alarm or sound the alarm, you warn people of danger.
   1. His family raised the alarm when he had not come home by 9pm.
      等到晚上9点他还未回家，他的家人便报警了。

1. The news was greeted with alarm by MPs
   得知这个消息，议员们忧心忡忡。
2. She sat up in alarm
   她惊慌得坐了起来。
3. The moves reflect growing alarm over recent events.
   这些举动表明人们愈加担心最近发生的事件。
4. We could not see what had alarmed him.
   我们搞不明白是什么使他忧虑不安。
5. He heard the alarm go off.
   他听见警报响了。
6. The other man rang the alarm bell.
   另一名男子按响了警铃。
7. This has set the alarm bells ringing in Moscow
   这已给莫斯科拉响了警报。
8. Alarm bells are beginning to sound at Westminster.
   威斯敏斯特的警钟已开始敲响。
9. His family raised the alarm when he had not come home by 9pm.
   等到晚上9点他还未回家，他的家人便报警了。
10. I set my alarm clock for 4.30.
    我把闹钟定在4点半。
11. He returned to the airport to find his car alarm going off.
    他回到机场时听到自己的汽车报警器响了。
12. An alarm links the police station to the divisional headquarters.
    在部门总部和警察局之间连有警报器。
13. Bedrooms are fitted with alarm pull cords to alert the manager in an emergency.
    卧室中装有警报器拉绳，遇到紧急情况时可向经理报警。
14. Then the fire alarm went off. I just grabbed my clothes and ran out.
    当时火险警报器响了，我一把抓起衣服就往外跑。
15. If he set his alarm clock for midnight, it would wake the whole house
    如果他把闹钟设在午夜响，那会把全家人都吵醒的。
16. The noise would have provoked alarm and neighbourly concern
    吵闹本会引起担忧和好意的关注。
17. The intruder smashed a window to get in and then neutralized the alarm system.
    闯入者打碎了一扇窗户进来，然后破坏了警报系统。
18. That's next door's alarm.
    是隔壁的报警器。
19. The baby was filled with alarm at the darkness and the noise.
    在黑暗和嘈杂的声音中，婴儿饱受惊吓。
20. The alarm did go off but all I did was yawn, turn over and go back to sleep.
    闹钟确实响了，但我只是打了个哈欠，翻个身又接着睡着了。
21. I'm really sorry I'm late, Andrew. I forgot to set my alarm and I overslept.
    安德鲁，很抱歉我迟到了。我忘了设闹钟，结果睡过头了。
22. He proclaimed his fellow-feeling with workers, and denounced plutocrats and the idle rich in terms which caused them alarm.
    他声明了自己对工人的同情，并谴责了财阀和游手好闲的富人，其言辞之厉令这些人惶惶不安。
23. Ainslie's pulse quickened in alarm
    由于惊恐，安斯利的脉搏加快了。
24. He ripped away a wire that led to the alarm button
    他把连着报警按钮的电线扯掉了。
25. I forgot to set my alarm and I overslept.
    我忘了定闹钟，结果睡过了头。
26. She set the alarm so she'd wake up in time to give her two sons their medication.
    她定了闹钟，以便及时醒来给两个儿子服药。
27. The thieves must have deliberately triggered the alarm and hidden inside the house
    盗贼肯定是故意触发了报警器，然后躲在房子里。
28. In the event of fire, ring the alarm bell.
    如果着火，就按警铃。
29. The main spring of the alarm clock is broken.
    闹钟的簧断了。
30. The alarm spread rapidly.
    警报迅速传开。

  panic alarm horror terror【导航词义：惊慌，惊恐】

  panic n. 惊恐，惊慌

〔辨析〕指突然产生的强烈的害怕或紧张之感，使人无法理智地思考和行动。

  alarm n. 惊慌，惊恐

〔辨析〕指因意识到可能发生的坏事或危险而产生的惊恐或担忧之感。

  horror n. 惊恐

〔辨析〕指非常强烈的震惊或恐惧之感，含有厌恶的意味。

  terror n. 恐惧，惊恐

〔辨析〕强调极度的恐惧，语义最强。

n.

alarm bells ring/start ringing

• 警钟敲响；发出危险信号
  if you say that alarm bells are ringing , you mean that people are starting to feel worried and suspicious

noun

1. a device that signals the occurrence of some undesirable event

   Synonym:    warning devicealarm system

2. a clock that wakes a sleeper at some preset time

   Synonym:    alarm clock

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

   Synonym:    alertwarning signalalarum

4. fear resulting from the awareness of danger

   Synonym:    dismayconsternation

verb

1. warn or arouse to a sense of danger or call to a state of preparedness
   1. The empty house alarmed him
   2. We alerted the new neighbors to the high rate of burglaries

   Synonym:    alert

2. fill with apprehension or alarm
   1. I was horrified at the thought of being late for my interview
   2. The news of the executions horrified us

   Synonym:    dismayappalappallhorrify