alarm clock

US /əˈlɑːrm klɑːk/
UK /əˈlɑːrm klɑːk/
"alarm clock" picture
1.

鬧鐘

a clock that can be set to wake a person at a particular time by sounding a buzzer or bell

:
I set my alarm clock for 6 AM.
我把鬧鐘定在早上6點。
The loud ringing of the alarm clock startled me awake.
鬧鐘響亮的鈴聲把我嚇醒了。