alarm clock

音标发音

Put your alarm clock far away from your bed.
把你的闹钟放在离床远的地方。
The main spring of the alarm clock is broken.
闹钟的簧断了。
《新英汉大辞典》
Nothing feels worse than hearing your alarm clock ring in the morning when your body is screaming for a few extra hours of rest.
没有比早晨你的起床闹钟铃响了而你的身体却还在渴求再多几个钟头休息更让人感觉糟糕的了。

I hear, perhaps, the sounds of the cars outside my house, my alarm clock ringing, what have you.
我听到,轿车的声音从室外传来,或是闹钟的铃响,随你想象
耶鲁公开课 - 死亡课程节选

Most importantly, because Apple did not put an alarm clock app on the iPad.
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But not just any alarm clock -- this is an alarm clock with potential.
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The meeting cancellation resets not only my alarm clock but the coffee machine as well.
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An alarm clock is a clock that you can set to make a noise so that it wakes you up at a particular time.