He learned this lesson the hard way – from his own personal experience.
他惨痛地得到了这一教训–从他自己的亲身经历中得来的。
Have you prepared this lesson?
你们预习这一课了吗?。
We must keep this lesson in mind.
我们要记住这个教训。
永远不要忘记这个教训。
This lesson is a continuation of our last lesson.
这课是上一课的延续部分。
In this lesson, students learn how to surf the internet safely and effectively.
在这节课中，学生们学习如何安全有效地上网。
This lesson was no more reasonable than that of avoiding sheepherding or mountain climbing.
这课比避免牧羊或爬山课程更合理。
You should heed this lesson well.
您应该很好地注意这一教训。
This lesson was longer than usual.
这堂课比往常的时间要长。
Again, this lesson was hard to hear.
这是个难得的教训。
Have you prepared for this lesson?
你预习课文了吗？
This lesson involves a lot of work.
这一课需要做的工作有很多。
迈克：这是第二课吗？
This lesson is easier than the last one.
这课比上一课容易。
这一课讲多长时间？
请吸取这个教训。
We should learn this lesson by heart.
我们应当记住这一教训。
This lesson adds to the value of the book.
这课文增加了这本书的价值。
This lesson goes through to the Hume on free will.
今天的课还将讨论休谟关于自由意志的观点。
This lesson we'll go on to learn about adjectives.
这节课我们将继续学习形容词的用法。
Before I learn this lesson, my English is not very good.
在参加这个课程之前，我的英语不是特别好。
He learned this lesson from his own personal experience.
他从自己的个人经历中学到了这个教训。
I learned this lesson especially hard with my first dog Pepper.
我则是在我的第一只宠物狗——裴波——身上习得这特别艰难的一课。
I hope this lesson can motivate them to reach their dreams.
我希望这节课可以激励他们去实现自己的梦想。
So take this lesson in simplicity from the Olympics to heart.
所以把简单的奥林匹克学习的经验记于心中。
This lesson of the past also relates to the challenges ahead.
过去的经验与未来的挑战息息相关。
This lesson is applicable to the world of software development.
这个训练也适用于软件开发领域。
At one of my first jobs, I learned this lesson through experience.
在我最初的一份工作中，我切身体验了这一课。
At one of my first jobs, I learned this lesson through experience.
在我最初的一份工作中，我切身体验了这一课。
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