做某事花费某人多长时间用英文怎么说?

英语中表示做某事花费某人多长时间，常用的说法是 "to take/spend some time".

来源：这是英语中常用的日常表达方式。

例句：

How long does it take you to finish the project?
(完成这个项目你需要多长时间？)
She spent three hours studying for the exam.
(她花了三个小时复习考试。)
It took me an hour to get to the office.
(我花了一个小时到达办公室。)

此外，还有一些其他的说法，例如："to spend some time on" 和 "to invest time in".

例句：

He always invests time in his hobbies.
(他总是把时间投入到他的爱好中。)
She spends a lot of time on reading books.
(她花很多时间看书。)