I set the alarm clock for 7 o'clock.

我把闹钟定在7点钟闹响。

《牛津词典》

I set the alarm for 7 o 'clock.

我把闹钟设定在7点钟。

youdao

What time shall I set the alarm for?

我该把闹钟拨到几点种响？

youdao

So, I get up and sometimes I don't set the alarm and I get up late; I stagger out of bed; I wake the kids; I greet the servants; I get ready; I make breakfast.

我起床，有时候忘记调闹钟,结果起床晚了，我从床上踉跄爬起;,我叫醒孩子，跟仆人打招呼，作准备;,做早餐。

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The first two weeks I set my alarm for 8 AM rolling out of bed at 8:30 AM at the latest and then I set it for 30 minutes earlier every week until I started beginning my day at 6 AM.

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Every hour on the hour (set your watch or smart phone alarm) I ask myself the following question.

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No one even looked at me, save for one barista who gave me a quick smile (which may or may not have been related to the fact that I was the idiot who had just set off an alarm loud enough to disrupt any and all conversation).

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