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N-UNCOUNT
驚恐；憂慮；擔心
Alarm is a feeling of fear or anxiety that something unpleasant or dangerous might happen.
例句
The news was greeted with alarm by MPs...
得知這個消息，議員們憂心忡忡。
She sat up in alarm...
她驚慌得坐了起來。
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VERB
使驚恐；使憂慮；使擔心
If something alarms you, it makes you afraid or anxious that something unpleasant or dangerous might happen.
例句
We could not see what had alarmed him.
我們搞不明白是什么使他憂慮不安。
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N-COUNT
警報器
An alarm is an automatic device that warns you of danger, for example by ringing a bell.
例句
He heard the alarm go off.
他聽見警報響了。
...an extremely sophisticated alarm system...
極其先進的警報系統(tǒng)
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N-COUNT
同alarm clock
An alarm is the same as an alarm clock .
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PHRASE
危險信號;警報
If you say that something sets alarm bells ringing, you mean that it makes people feel worried or concerned about something.
例句
This has set the alarm bells ringing in Moscow...
這已給莫斯科拉響了警報。
Alarm bells are beginning to sound at Westminster.
威斯敏斯特的警鐘已開始敲響。
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PHRASE
發(fā)出警報；敲警鐘
If you raise the alarm or sound the alarm, you warn people of danger.
例句
His family raised the alarm when he had not come home by 9pm.
等到晚上9點他還未回家，他的家人便報警了。