A hard lesson certainly, but also a shocking wake up call.
它的确是一个沉重的教训，但也是一次令人难忘的警钟。
It is a hard lesson to learn, but we must all learn it.
学习这一课并不容易，但却是我们所有人的必修课。
Let us not shrink from a hard lesson or wince under any rod of chastisement.
让我们不要畏缩难学的功课，和逃避教鞭的惩罚了。
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。
Experience is a hard teacher because she gives the test first, the lesson afterwards.
经验是一名苛刻的老师，因为她总是先考试再给你上课。
It was my last French lesson, and I regretted not studying hard before.
这是我最后一节法语课，我后悔以前没有好好学习。
The lesson for companies is that selling green is hard work.
企业所得到的教训就是：销售绿色产品远非易事。
I learned my lesson the hard way, when my younger daughter rebelled.
当我最小的女儿开始反叛，我学到的最难的一课。
A Canadian woman reportedly learned her lesson the hard way.
据报道一个加拿大妇女沉痛的吸收了教训。
That is a lesson Latin America learned the hard way.
这是拉美经过艰难困苦得到的教训。
Caveat to Lesson No. 1: Extreme valuations are sometimes hard to recognize.
第1课警告：极端估值有时很难辨认。
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。
That is a lesson Indonesia learned the hard way.
这是印尼的一个沉痛教训。
Again, this lesson was hard to hear.
这是个难得的教训。
Expericence is a hard teacher because she gives the test first, the lesson afterwards.
经验是一位先行测试然后才授课严厉的教师。
This is a hard life lesson to learn, but it may be the most important of all: Life can change in an instant.
这些人生课很难学习，但却是至关重要的：生活可以瞬间万变。
He studied hard and finally learned the lesson.
他努力学习，终于掌握了这一课。
Jackie's success teaches us a lesson, the secret of achieving success is hard work.
成龙的成功教会了我们，成功的奥秘在于努力工作。
This lesson is not too hard (for us) to understand.
这课(我们)不难理解。
This lesson is too hard for me.
这一课对我来说太难了。
There are two paths in every lesson, the hard one and the easy one.
在每个课题中，永远都存在着两种路径：困难的和容易的。
You taught me a lesson, hard indeed at first, but most advantageous.
你给了我一顿教训，开头我当然受不了，可是我实在利益非浅。
That is why I'm working hard at my lesson.
就是这个原因，我要努力学习。
Experience is a hard teacher. First comes the test, then the lesson.
经验的严厉的导师，首先来自于尝试，其次来自于教训。
Experience is a hard teacher. First comes the test, then the lesson.
经验的严厉的导师，首先来自于尝试，其次来自于教训。
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