在接到匿名电话报警后，数百名购物者被带出商店，该地区的道路也被封锁。

Following a telephone call to the police from an anonymous caller, hundreds of shoppers were shepherded out of the store while roads in the area were sealed off.

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消防人员接到报警后出动，但这是假报火警。

The fire service was called out but it was a false alarm.

《牛津词典》

在达到零秒时，计时器便开式正数计时来显示从报警后开始的时间。

When zero is reached, the timer starts counting up to show time elapsed since alarming.

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