go off(鳴る):The alarm clock went off at 6 a.m.(目覚まし時計が午前6時に鳴った) - 試験に出る! 英単語検索辞書

go off(鳴る):The alarm clock went off at 6 a.m.(目覚まし時計が午前6時に鳴った)

he alarm clock went off at 6 a.