我没有很多时间练习小提琴。

I don't have much time to practice the violin.

youdao

我们课外花很多时间练习。

We spent a lot of time practicing out of class.

youdao

我过去每天放学后花很多时间练习打垒球。

I spent a lot of time practicing playing softball after school every day in the past.

youdao

Now many of you, as you are going through these "time-ins" if you decide to take this class may think, ?" "Well, is this what I'm paying 40,000 dollars a year for?

你们中很多人，在经历“练习时间“时可能会疑惑，“我一年付四万美金就是为了这个？

哈佛公开课 - 幸福课课程节选