Definition
To issue a warning or alert, typically by making a loud noise or announcement, to notify people of danger or an emergency.
警报
When the building's smoke alarm went off, everyone knew it was time to sound the alarm.
当大楼的烟雾警报响起时，每个人都知道该发出警报了。
The cybersecurity team decided to sound the alarm due to suspicious activity detected on the network.
网络安全团队决定发出警报，因为在网络上检测到可疑活动。
If we see anything unusual, we must sound the alarm and report it immediately.
如果我们看到任何异常情况，我们必须发出警报并立即报告。