大学英语：alarm

n.1、警报；2、惊恐

The alarm system went wrong and created a false alarm.

报警系统失灵，引起一场虚惊。

He didn’t take alarm at the news.

他听到消息后并不吃惊。

vt.1、向。。。报警，使警觉；2、使。。。惊恐，打扰

I was quite alarmed last night at the cry of “fire”.

昨晚有人大呼救火，使我大吃一惊。

Heavy trucks alarmed one all night.

载重汽车声整夜使人不得安宁。