alarm
/əˈlɑ:m; ə`lɑrm/ n
1 [C]
(a) warning sound or signal 警报的声音或信号
give/raise/sound the alarm 发出警报.
(b) apparatus that gives such a warning 警报器; 警报装置
Where's the fire alarm? 火警的警铃在哪 ?
2 [C] = alarm clock.
3 [U] fear and excitement caused by the expectation of danger 惊慌; 恐慌
This news fills me with alarm. 这消息使我大为惊慌.
He jumped up in alarm. 他惊慌地跳了起来.
There's no cause for alarm. 不必惊慌.
4 (idm 习语) a false alarm => false. alarm, v [Tn]
give a warning or feeling of danger to (a person or an animal); frighten; disturb 警告或惊吓（人或动物）; 使惊觉; 惊动
I don't want to alarm you, but there's a strange man in your garden. 我并不想吓著你, 不过你的花园 可有个生人.
Alarmed by the noise, the birds flew away. 那声音把鸟吓飞了. alarmed adj [pred 作表语]
~ (at/by sth) anxious or afraid 担心; 害怕
I'm rather alarmed (to hear) that you're planning to leave the company. （听说）你打算脱离这个公司, 我有些担心. alarming adj causing fear; disturbing 使人害怕的; 吓人的; 扰乱人心的
an alarming increase in the number of burglaries 窃案惊人的增多
The report is most alarming. 这个报告最为扰乱人心. alarmingly adv
Prices have increased alarmingly. 价格惊人地增长.