The lessons were fun.

功课都很有趣。

youdao

youdao

The lessons learned at the cost of blood helped to sober us.

血的教训使我们的头脑清醒了。

《新英汉大辞典》

They had many complaints. One said Paul talked to the other students instead of paying attention to the lessons.

VOA: special.2009.04.04

Well, one of the lessons of this course is we have a wonderful theory, but we don't manage it well, mostly.

我们在这门课里可以学到的一点是,我们拥有很好的理论，但在实践中却总是不能应用得当。

耶鲁公开课 - 金融市场课程节选

They were respectful of religious authority but the lessons they took from them is "I should learn to love my neighbor."

他们很尊重宗教人员,但他们从布道中学到的是,”我应该学会爱我的邻居“

耶鲁公开课 - 心理学导论课程节选

We all need to learn the lessons he's trying to teach...all but the last one.

FORBES: Opportunity Knocking

The place where she and I differ is the lessons we've learned since then.

CNN: Edwards' October 13, 2007, speech on restoring democracy

For China's banks the lessons lie mainly in the rapid fall, rather than the slow rise.

ECONOMIST: Japanese banks