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。
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。
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。
Have you prepared for this lesson?
你预习课文了吗？
迈克：这是第二课吗？
请吸取这个教训。
We should learn this lesson by heart.
我们应当记住这一教训。
In this lesson, you'll learn how to go further.
在今天这一堂课，你将学会如何走得更远。
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 think this lesson is very good. It's very interesting.
我觉得这是一门很好的课程，非常有趣。
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。
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。
The teacher taught us in this lesson where to pause in a sentence.
在这一课里，老师教了我们在一个句子中的什么地方应该停顿一下。
Seeing as you are all so tired, we'll finish this lesson next time.
考虑到现在你们都很累了，这课我们下次接着讲吧。
Pass this lesson of love on to those you love and to those you have hurt.
把爱的课程传递给那些你爱的人和你伤害过的人。
From this lesson I came to see that one will succeed if he has perseverance.
这次经历让我明白了一个道理：一个人如果勇于坚持就会成功。
I like this lesson, it is vivid and I can learn many things about geography.
我很喜欢这节课，是如此的生动，我也学到了有关地理的很多知识。
Ok. I'm so glad to hear that. So, at the end of this lesson let's sing this song together ok?
我真高兴听大家这么说。那么，在最后，我们再一起来唱这首歌好吗？
In this lesson let's meet some young people in other countries and find out how they live their life.
在这一课里，我们要了解一些其他国家的年轻人的生活是怎样的。
This lesson was longer than usual.
这堂课比往常的时间要长。
This lesson was longer than usual.
这堂课比往常的时间要长。
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