He learned this hard lesson from his own personal experience.

他从自己的亲身经历中吸取了这个深刻的教训。

金山词霸

Through this painful experience, he learned a useful lesson.

从这次痛苦的经历中，他学到了一个有益的教训。

金山词霸

The valuable lessons he gained from past mistakes are now clearly reflected in his transformation.

他从过去错误中获得的宝贵教训如今清晰地体现在他的转变中。

金山词霸

The broad lesson we can learn from this is perhaps the most valuable one.

从这一切中我们能学到的广泛教训或许是最有价值的一个。

金山词霸

The firm failed to learn a lesson from this unfortunate event.

这家公司未能从这起不幸事件中汲取教训。

金山词霸

Who gave you a talking-to about chatting alone?" — "So what if they did?

“谁教训你一个人聊天的事了？” — “那又怎样？”

金山词霸

We were disappointed that they could not learn the lesson of history.

他们没能吸取历史的教训,使我们感到很失望.

《简明英汉词典》

This is one of the most valuable lessons I learned.

这是我所学到的最宝贵的教训.

《简明英汉词典》

Don't lecture at me. I don't have to do what you say!

别教训我, 我可不是非听你的不可.

《简明英汉词典》

Let me get my hands on them! I'll sort them out.

让我来捉住他们, 我要狠狠地教训他们一顿.

《简明英汉词典》

We should draw a moral from the startling fact.

我们应当从这些触目惊心的事实中吸取教训.

《现代汉英综合大词典》

We must bear in mind these lessons paid for with blood.

我们要记住这些血的教训.

《现代汉英综合大词典》

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.

《现代汉英综合大词典》

They accept the Prophet's precepts but reject some of his strictures.

他们接受先知的教训,但拒绝他的种种约束.

《现代英汉综合大词典》

You should teach him a lesson.

你应该教训他一顿.

《简明英汉词典》