Oh, how I wish I had gone home, but I had a lesson to learn.

噢，我是多么希望回家去啊，可我人生中要吸取的一个教训就要开始了。

youdao

Because there'll be a lesson to learn in everything that happens…

每一件事情都有它值得学习思考的地方。

youdao

We should learn a lesson from our mistakes so as to be a better person in the future.

我们要从错误中吸取教训，以便在将来成为更好的人。

youdao

And this is a hugely important lesson to learn.

这么问自己，这是不是一个隐藏的。

麻省理工公开课 - 计算机科学及编程导论课程节选

But perhaps there is a lesson to learn from Nickelback on how to be more likeable.

BBC: If used-car salesmen ran Congress

We believe that Africans and our neighbours have a lesson to learn from this wrong crisis management.

BBC: Ethiopian president hails victories

Whatever the change, if you pay attention to those around you it will be a fast lesson to learn in order to improve all relationships.

FORBES: Four Signs a Relationship Is Failing