n.警报, 警报器, 惊恐
vt.警告, 使惊恐, 向 ... 报警
The government is alarmed by the dramatic increase in violent crime.
The news of the radiation leak caused widespread public alarm.
I gave the alarm as soon as I saw the smoke.
1. 警报; 警报器[C]
The doorkeeper gave the alarm as soon as he saw the smoke.
2. 闹钟[C] (=alarm clock)
3. 惊慌, 恐惧, 担忧[U]
"What's up? " he asked in alarm.
1. 向……报警, 向……告急
2. 使惊慌不安, 使恐惧
"Don't be alarmed. I am no robber."
take alarm at
We didn't take alarm at the news.
give/raise the alarm
1. 报警; 引起警觉
The dog's barking gave the alarm.