alarmed

She was alarmed by the sudden noise in the middle of the night.

用法提示：alarmed 在此表示因突发声响而感到惊恐，后接 by 引出原因。

I am alarmed at the rising number of car accidents in this area.

用法提示：alarmed 表达对环境变化的忧虑，后接 at 引出担忧的对象。

He felt alarmed when he saw the dark clouds gathering overhead.

用法提示：alarmed 描述看到某景象后的即时情绪反应，后接 when 引导的时间状语。