1·An alarm bell went off.
警钟响了。
—— 《牛津词典》
2·An alarm sounds when the temperature reaches a predetermined level.
温度一达到预设的度数，警报就会响起来。
—— 《牛津词典》
3·If an alarm gives you that feeling of security, then it's worth carrying.
如果一个报警器能给你那种安全感，那就值得携带。
—— 《柯林斯英汉双解大词典》
4·An alarm clock, called Hello Sense, can improve your sleep.
一个叫做 “Hello Sense” 的闹钟可以改善你的睡眠。
5·At the start of your break, set an alarm clock to remind you when your break is over.
在你准备休息时，设置一个闹钟来提醒你结束休息。
6·Could I have an alarm call at 5.30 tomorrow, please?
请在明天早晨5:30打电话叫醒我好吗？
—— 《牛津词典》
7·Wire the thermometers up to trigger off an alarm bell if the temperature drops.
把温度计的电线连接上，当温度下降时，就会触发警报。
—— 《柯林斯英汉双解大词典》
8·Huang Shengen tied a small blackboard to his motorbike, together with all his teaching things and an alarm clock around his neck, and then started his ride.
黄申根把一块小黑板连同他所有的教学用品绑在他的摩托车上，把一个闹钟挂在他的脖子上，然后开始了他的骑行。
9·Most people had to wake to an alarm clock.
大多数人都需要用闹钟叫醒。
10·You should wake up on time naturally without an alarm.
没有闹钟的情况下你也应该按时起床。