The children were drilled to leave the classroom quickly when the fire bell rang.

孩子们接受了如何在火警拉响时迅速离开教室的训练。

《牛津词典》

Finally the lunch bell rang.

午餐钟声终于响起。

youdao

Soon, the lunch bell rang.

不久，午餐铃响了。

youdao

Often,when the fire bell rang, other men in the city rushed to help put out the fire.

VOA: special.2009.05.17

They were not paid to do this. They earned their money at other jobs, but dropped what they were doing when the fire bell rang.

VOA: special.2009.05.17

So when the fire alarm bell rang, men near the sound of the fire bell dropped what they were doing and rushed out to fight the fire.

VOA: special.2009.05.17

The bell rang out for the first time in July 1859 -- but cracked two months later.

CNN: May 4, 2012 -- Updated 1058 GMT (1858 HKT)

And yet, it looked as if the bulls had everything going their way by the time the opening bell rang.

FORBES: Upgrades Continue Despite Flat Market

Instead of rallying furiously into the close as one might have suspected, the market continued to sink until the closing bell rang.

FORBES: New Wall Street Term for 2011: De-Risking