His sailing instructor fell overboard and nearly drowned during a lesson.
他的帆船教练在一次课上落水，差点溺死。
This ought to be a lesson to grave robbers!
这是给盗墓者的一个教训！
That was a lesson we learned very early on.
这是我们很早就受到的教训。
That is a lesson to us: we must take rules seriously.
这对我们是一个教训：我们必须认真对待规则。
He thought that he had to do something else to teach the dog a lesson.
他想他必须做些别的事情来给这条狗一个教训。
I also learned a lesson: Help should always be given according to people's needs.
我也学到了一个教训：应该根据人们的需要给予帮助。
I hope this will be a lesson to you hereafter, to put your things away when you finish.
我希望这将成为你以后的一个教训，完成事情后把你的东西收好。
If a lesson did not interest me, I would take out my notebook and start writing poems in class.
如果我对一节课不感兴趣，我会拿出笔记本，开始在课堂上写诗。
Teachers say that they give individual help at the end of a lesson or after school, setting extra work if necessary.
教师们表示，他们会在课程结束或放学后给予个别学生另外的辅导，必要时还会安排额外的作业。
It took years for the Army to hit on a workable strategy for the woodpecker—a lesson that is informing its conservation work today.
军方花了数年的时间才想出一个可行的啄木鸟保护策略——这一教训如今正影响着他们的保护工作。
We can learn a lesson from the story.
我们可以从这个故事中吸取教训。
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。
What's the difference between a lesson and a lecture?
一堂课和一次讲座有什么区别？
He wanted to teach her a lesson for showing him up in front of Leonov.
他因她在列昂诺夫面前使他难堪而想教训她一顿。
If you have trouble with a lesson, repeat it the next day.
如果你对一课没有掌握，第二天要温故这一课。
Other countries can teach us a lesson or two on industrial policy.
其他国家的工业政策，我们可以借鉴一二。
That night, I learned a lesson about happiness.
那天晚上，我上了一堂关于幸福的课。
This is to teach children a lesson at the end of the program.
这是为了在节目结束时让孩子们学到一些东西。
For a wise man, a mistake is a lesson.
对聪明人来说，错误就是教训。
He learned a lesson from the small boy.
他从那个小男孩身上学到了一课。
We were having a lesson about Chinese culture at this time yesterday.
昨天这个时候我们正在上一节关于中国文化的课。
I do not even remember what they looked like, but they taught me a lesson—people are more important than things.
我甚至不记得他们长什么样，但他们给我上了一课——人比物更重要。
In another research, students who didn't text during a lesson took down a lot more notes than those who were texting.
在另一项研究中，上课时不发短信的学生比发短信的学生记的笔记要多得多。
"This is much like 'The Hare and the Tortoise', the faster, but not the winner," thought Lizzy, who, though proud, had enough feeling to take a lesson: The quick, proud may have the start, but the quiet, steady may do more in the end.
“这就像是《龟兔赛跑》，跑得更快的不是赢家。”丽兹心里这样想着，她虽然觉得很骄傲，但也感到自己收获了教训：跑得快、骄傲的人也许赢得起点，但安静、稳重的人最终会做得更多。
Continue doing a lesson a day.
学习不能间断，一天一课。
但它向我们传达了一个教训。
但它向我们传达了一个教训。
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