闹钟响了用英语怎么说及音标

"Alarm clock goes off" 是表示闹钟响了的常用说法，音标是[əˈlɑːrm klɒk ɡəʊz ɒf].

Alarm clock 这个词来源于中世纪的拉丁语"Alarma" 意思是警报, 和 "Clock" 意思是时钟, 合在一起就是警醒人的时钟.

例句:

The alarm clock went off at 6 o'clock in the morning. (闹钟在早上6点钟响了)
I woke up to the sound of my alarm clock. (我被闹钟的声音吵醒了)
I set my alarm clock for 7 am. (我设置了7点钟的闹钟)