9点用英语怎么说写

9点用英语可以表示为 "nine o'clock" 或者 "nine in the morning" 或者 "nine at night"，具体取决于你想表示的是上午九点还是晚上九点。

"O'clock" 是一个英语表示时间的短语，来自中古英语中的 "of the clock"，意思是 "钟的……点"。

例句：

It's nine o'clock. (现在是九点。)
I'll meet you at nine o'clock. (我会在九点见到你。)
The movie starts at nine o'clock. (电影在九点开始。)

"In the morning" 和 "at night" 分别表示早上和晚上。

例句：

I usually wake up at nine in the morning. (我通常早上九点醒来。)
I have a meeting at nine in the morning. (我有一个早上九点的会议。)
I'll see you at nine at night. (我晚上九点见到你。)