I hammered on all the doors to raise the alarm.

我敲打所有的门让大家警觉。

《牛津词典》

Judge Bruce Laughland praised the courage of the young policeman, who managed to raise the alarm on his radio.

布鲁斯·劳赫兰法官赞扬了那名年轻警察的勇气，该警察设法通过自己的无线电收发装置发出了警报。

《柯林斯英汉双解大词典》

The fire must meet two basic conditions, combustible materials and oxygen, to raise the alarm of fire alarm system accuracy and reduce error of the alarm. We must understand the ways of fire.

火灾发生必须满足两个基本的条件，可燃物和必须的氧气，要提高火灾报警系统的报警准确率，减少报警误差，我们就必须要了解火灾产生的途径。

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This technique has allowed Graham to raise the alarm early and often about potentially dangerous drugs.

FORBES: Face Of The Year: David Graham

Since environmentalists first began to raise the alarm about greenhouse gases, oil companies have tended to react by circling their wagons.

ECONOMIST: How green is Browne?

Mr Bacon was left banging the floor of his hallway with his walking stick for half an hour to raise the alarm.

BBC: Man, 90, dies after ?40 robbery at London home