Are you learning English for pleasure or for your work?

你学英语是出于消遣还是为了工作？

《牛津词典》

I hope that this series of articles inspires other developers to implement math routines in PHP for the pleasure, technical, or learning challenges involved.

我希望这个系列的文章能启发其他开发人员出于乐趣、技术或学习挑战的目的而用php来实现数学例程。

youdao

He added: "in France people are amazed to find that he was learning English." But he didn't do it for pleasure.

他还补充说：“法国人得知拿破仑在学英语后非常吃惊，但是他学习并不是为了取乐。”

youdao

For the rest of us, learning precise chunks of information may not be necessary for our financial survival, but it can bring an unaccountable pleasure.

BBC: Memory and method: In praise of learning by rote