Translation of "alarm" - English-Mandarin Chinese dictionary

alarm

noun [ C ] (WARNING) 警告 uk us /əˈlɑːm/ US  /-lɑːrm/

a warning of danger, typically a loud noise or flashing light

警报
If there's any trouble, raise/sound the alarm by pulling the emergency cord. 如果出现任何问题,拉紧急警报索报警。
The first two bomb alerts were false alarms, but the third was for real. 前两次炸弹警报是一场虚惊,但是第三次是真的。

a device which makes a loud noise to warn of danger

警报器;警报装置
a burglar/car/fire/smoke alarm 防盗/汽车/防火/烟雾警报器

an alarm clock

闹钟

If an electronic device such as a watch or computer has an alarm, it can be set to make a noise at a particular time.

闹铃装置;定时装置

(Translation of “alarm noun (WARNING)” from the Cambridge English-Chinese (Simplified) Dictionary © Cambridge University Press)