The radio announcer said it was nine o'clock
电台播音员报时9点整。
We will be holding the auditions from nine o'clock tomorrow night so stand by for details.
我们将于明天晚上9点开始进行拍卖，请静候详细信息。
He decided not to take the red-eye flight home but to wait and take a nine o'clock flight the following morning.
他决定不乘夜航航班回家，而是留下来搭第二天早上9点的飞机。