alarm

1. N-UNCOUNT Alarm is a feeling of fear or anxiety that something unpleasant or dangerous might happen. 惊恐

The news was greeted with alarm by senators. 参议员们听到这个消息后很惊恐。

2. V-T If something alarms you, it makes you afraid or anxious that something unpleasant or dangerous might happen. 使惊恐

We could not see what had alarmed him. 我们不明白是什么吓着他了。

3. N-COUNT An alarm is an automatic device that warns you of danger, for example, by ringing a bell. 警报器

He heard the alarm go off. 他听见警报器响了。

4. N-COUNT An alarm is the same as an . 闹钟

Dad set the alarm for eight the next day. 爸爸把闹钟设到了第2天8点。

5. →see also alarmed , alarming ,car alarm , false alarm , fire alarm

6. PHRASE If you say that something sets alarm bells ringing, you mean that it makes people feel worried or concerned about something. 危险信号

This has set the alarm bells ringing in Moscow. 这已给莫斯科拉响了警报。

7. PHRASE If you raise the alarm or sound the alarm, you warn people of danger. 发出警报

His family raised the alarm when he had not come home by 9 p.m. 当他到晚上9点还没回家时，他的家人报了警。