alarmed

adj.experiencing a sudden sense of danger

1. She was alarmed to find her car missing from the parking lot.
   她发现自己的车在停车场不见了，感到非常惊慌。
2. The sudden noise alarmed the children, causing them to run for cover.
   突然的噪音吓到了孩子们，让他们急忙寻找掩护。
3. He felt alarmed when he heard about the recent rise in crime in his neighborhood.
   当他听说自己所在社区最近犯罪率上升时，他感到十分担忧。
4. The teacher was alarmed by the students' lack of preparation for the exam.
   老师对学生们缺乏考试准备感到很惊讶。