alarm
gb/əlˈɑɹm/ us/əlˈɑɹm/
A2
英语
~ 4200
义项
0 个义项
名词
A2
entity
1
Device giving warning signal
A machine that makes a loud sound to warn you or to tell you it is time for something.
用法模式：
set [an alarm] for [a time]
常见错误：
Learners sometimes confuse 'alarm' (device) with 'alert' (message or state of readiness).
近义词
alert (Often used for any kind of warning system, not just physical devices.)
反义词
silence (Refers to turning off or removing the sound of an alarm.)
搭配
alarm clock
|set an alarm
|fire alarm
|car alarm
|burglar alarm
主题
daily life
|safety
|technology
|daily_life
例句
- I set my alarm for 6:30 a.m.
- The smoke alarm went off in the kitchen.
- The car alarm started blaring when someone touched the door.
- She forgot to turn off her alarm before the weekend.
- The fire alarm alerted everyone in the building.
学习者例句
- My alarm rings at seven.
- The fire alarm is very loud.
- I need a new alarm clock.
- The alarm tells me when to wake up.
名词
B1
state
2
Fear caused by sudden danger
A sudden strong feeling of fear or worry because something bad might happen.
用法模式：
cause [someone] alarm
常见错误：
Learners may confuse this with 'alert' as a warning rather than a feeling.
近义词
fear (A general term for being afraid; 'alarm' suggests suddenness and urgency.)
反义词
calm (The absence of fear or worry.)
搭配
look of alarm
|cause alarm
|express alarm
主题
emotions
|safety
|core_vocabulary
例句
- She looked at him in alarm when he shouted.
- There was growing public alarm over the spread of the disease.
- He felt a surge of alarm when he heard the explosion.
- Her sudden cry caused great alarm among the passengers.
学习者例句
- He shouted in alarm.
- I felt alarm when I saw the fire.
- The news caused alarm in the town.
动词
B1
action
3
Cause someone to feel afraid suddenly
To make someone suddenly feel fear or worry.
用法模式：
alarm [someone] with [something]
近义词
frighten ('Frighten' can be less urgent; 'alarm' often suggests unexpectedness.)
反义词
reassure (To remove fear or worry.)
搭配
deeply alarmed
|alarmed by news
主题
emotions
|core_vocabulary
例句
- The sudden noise alarmed the children.
- She was alarmed by the rapid change in his condition.
- The report has alarmed many investors.
学习者例句
- The loud sound alarmed me.
- The news alarmed my parents.
- I was alarmed by the smoke.
语法
词典原形
alarm
IPA
GB/əlˈɑɹm/
US/əlˈɑɹm/
音节与重音
alarm （1 个音节）
词形变化
Noun
- Base: alarm
- Plural: alarm, alarms
Verb
- Base: alarm
- 3rd Person Singular: alarms
- Present Participle: alarming
- Past: alarmed
词族
Forms
Related words
alarmingly
adverb
Advanced or less common
alarmist
noun
相关表达
raise the alarm
1/ɹˈeɪz ðə əlˈɑɹm/
fixed phrase
Warn others about danger
To tell people there is danger so they can act quickly.
例句
- A villager raised the alarm when he saw smoke coming from the forest.
- She raised the alarm after noticing the intruder in the building.
set off an alarm
1/sˈɛt ˈɔf ən əlˈɑɹm/
fixed phrase
Make an alarm start working
To cause a warning device to start making noise or giving a signal.
例句
- Opening that door will set off the alarm.
- The burglars set off the car alarm as they tried to break in.
sound the alarm
1/sˈaʊnd ðə əlˈɑɹm/
fixed phrase
Start an alarm or give warning
To make an alarm start making noise, or to tell people about danger publicly.
例句
- The guard sounded the alarm when he saw the fire.
- Scientists are sounding the alarm about climate change.
false alarm
1/fˈɔls əlˈɑɹm/
fixed phrase
Untrue warning or alert
A warning or call for help that turns out not to be real.
例句
- We evacuated the building, but it was a false alarm.
- The smoke turned out to be from a barbecue—it was a false alarm.
- The smoke detector went off, but it was just a false alarm.
- We evacuated for nothing; it was a false alarm.