alarm
noun uk/əˈlɑːm/ us/əˈlɑːrm/
(WARNING)
[ C ]警报
a warning of danger, usually a loud noise or flashing light
If there's any trouble, raise/sound the alarm by pulling the emergency cord. 如果出现任何问题，拉紧急警报索报警。
The first two bomb alerts were false alarms, but the third was for real. 前两次炸弹警报是一场虚惊，但是第三次是真的。
B1 [ C ]警报器;警报装置
a device that makes a loud noise to warn of danger
a burglar/car/fire/smoke alarm 防盗／汽车／防火／烟雾警报器
A2 [ C ]闹钟
an alarm clock
B1 [ C ]闹铃装置;定时装置
If an electronic device such as a watch or computer has an alarm, it can be set to make a noise at a particular time.
- More examples
- If the alarm sounds, leave the building immediately.
- The fire alarm goes off accidentally so often that when it's the real thing nobody will take any notice.
- Quick, sound the alarm - there's a fire in the machine room!
- Police said the thieves were obviously well acquainted with the alarm system at the department store.
- I heard his alarm clock bleeping this morning.
(WORRY)
C2 [ U ]惊恐，惊慌;担忧
sudden worry and fear, especially that something dangerous or unpleasant might happen
I didn't tell her that he was late because I didn't want to cause her any alarm. 我没有告诉她他来晚了，因为我不想让她担惊受怕。
Villagers have reacted with alarm to news of a proposed new road. 听说有要修新路的计划，村民们很是担忧。
- More examples
- The birds flew off in alarm when the cat appeared.
- There was alarm in the stock market today when prices suddenly began to drop.
- The gun shot made the monkeys chatter in alarm.
- It's all right, everybody - there's no need for alarm.
- A bomb threat caused great alarm in the City this morning.
Idioms
raise the alarmidiom C2 发出警报;报警
to make people understand the danger of something
A local doctor was the first to raise the alarm about this latest virus. 当地一名医生最先就这种最新病毒向人们发出警告。
ring/sound alarm bellsidiom 敲警钟;发出危险信号;引起警觉
If something rings/sounds alarm bells, it makes you start to worry because it is a sign that there may be a problem.
The name rang alarm bells in her mind. 这个名字引起了她的警觉。
alarm
verb [ T ] uk/əˈlɑːm/ us/əˈlɑːrm/
C1 令某人担心或害怕
to make someone worried or frightened
I didn't want to alarm him by telling him that she was ill. 我不想让他担心，没有告诉他她生病的事。