He returned to the airport to find his car alarm going off.

他回到机场，发现自己汽车的报警器响了。

《柯林斯英汉双解大词典》

So when I find something that I know poses a risk to a patient's health, I create alarm.

所以，当我发现一些会对病人健康造成威胁的东西时，我创建了“警告”。

youdao

It can also trigger a loud alarm to find a misplaced phone, even if the device is in silent mode.

如果忘了手机放在哪里，这款程序也可以触发手机发出响亮的警报声，甚至在手机静音模式下也能如此。

youdao

It can also trigger a loud alarm to find a misplaced phone, even if the device is in silent mode.

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