"6:25" can be said as "six twenty-five" in Engpsh.

来源：时间表示法是英语中一个基本的语言环节。

英文例句：

What time is it now? - It's six twenty-five.
I have to catch the train at six twenty-five.
The meeting will start at six twenty-five sharp.

中文翻译：

现在几点了？ - 六点二十五分。
我必须在六点二十五分赶列车。
会议将在六点二十五分整举行。