家庭安全

His family raised the alarm when he had not come home by 9 p.m.

工作场所

The security team was immediately alerted by the alarm system.

紧急情况

The smoke set off the fire alarm.

个人安全

He returned to the airport to find his car alarm going off.

安全演练

During the drill, the teacher's alarm bell rang to alert the students.

这些例句展示了"alarm"在不同情境下如何用来引起警觉或警报。