[jǐng bào]
alarm; warning; alert
sound the alarm; sound the siren
发警报
yellow alert
预备警报
all clear
解除空袭警报
air-raid alarm; air-raid warning
空袭警报
combat alert
战斗警报
send out a warning to ...
向 ... 发出警报
gale [storm] warning
大风警报
The alarm spread rapidly.
警报迅速传开。
We received warning that the enemy were getting nearer.
我们事先得到敌人正在逼近的警报。