[jǐng bào]
alarm; warning; alert
sound the alarm; sound the siren
發警報
yellow alert
預備警報
all clear
解除空襲警報
air-raid alarm; air-raid warning
空襲警報
combat alert
戰斗警報
send out a warning to ...
向 ... 發出警報
gale [storm] warning
大風警報
The alarm spread rapidly.
警報迅速傳開。
We received warning that the enemy were getting nearer.
我們事先得到敵人正在逼近的警報。