alarm bell

基本解释

If we ring the alarm bell, we can move to the solution stage.
如果我們敲響警鍾，我們就可以步入解決問題的堦段。
A few dozen rebels stood watching, like firemen waiting for an alarm bell to go off, without any discernible plan about what they might do when it did.
有的叛軍就像等警鈴的救火隊員一樣，衹是站在那裡看，沒有任何清晰的計劃來組織他們如何應對。
It should have set off an alarm bell, but it didn’t.
他的畫本來應該爲我敲響警鍾，但是我卻沒有意識到。

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.

We were also surprised to hear one piece of percussion: an old fire-alarm bell.
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