It's an important lesson for her.

这对她来说是很重要的一课。

youdao

He gratefully opened to the lesson for the afternoon and poured ink upon the page.

他满怀感激地翻开今天下午的课，把墨水倒在书页上。

youdao

It would be his last French lesson for months.

这将是他以后几个月里的最后一次法语课。

《柯林斯英汉双解大词典》

These are students who felt under enormous pressure to perform, and I want to underscore the word 'perform,' as opposed to 'learn.'" She says the hardest lesson for society may be that young people will grow up lacking interest in learning.

VOA: special.2011.07.14

I think that's a great religious lesson for all of us.

我认为这对我们是极佳的一堂宗教课程。

普林斯顿公开课 - 人性课程节选

which I think is a great lesson for people because we're all kind of weird, you know.

我认为这对人们来说是很好的一课，因为我们都很怪异。

印象深刻的展示会 - SpeakingMax英语口语达人

That may be true, but an equally important lesson for our time has been largely overlooked.

FORBES: Computing Desire

If history holds any lesson for the home videogame market, it's a simple one.

FORBES: Pixelated dreams

There is however a thoroughly painful and depressing lesson for the banks in all this.

BBC: Lloyds shows cost of alienating customers