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alarm clock
waking up; keeping oneself awake
early-morning treat (traditionally given to children in some parts of Japan); wake-up sweet
目ざましを六時にセットして寝た。
I set the alarm clock for six and went to bed.
目ざましが鳴っても起きられない朝がある。
There are mornings when I can't get up even when the alarm rings.
旅行先に目ざましを持っていくのを忘れた。
I forgot to bring my alarm clock on the trip.