Deliberate practice is hard mental work.

刻意练习是艰苦的脑力劳动。

Limit Your Sessions to Focus Deliberate practice is hard mental work.

集中注意力训练刻意练习是艰苦的脑力劳动。

Number 9, mental work doesn't tire your brain.

第 9 条，脑力劳动会让大脑疲劳。

It's a noun, it means physical, or mental effort.

它是一个名词，意味着体力，或脑力劳动。

It will take some time to eliminate the difference between manual and mental labor.

消除脑力劳动和体力劳动的差别还相当一段时日。

And executive functions are the mental skills involved in doing things like problem solving and planning.

控制功能是指解决问题、制定计划等脑力劳动能力。

Imagine it-three days of continuous brainwork! And against the top players in the country, too.

试想一下，连续三天的脑力劳动！并且和这个国家最优秀的棋手对阵。

Now it can be stored for years and if regularly used, accessed without much mental effort.

现在它可以储存多年，如果经常使用，太多的脑力劳动就可以访问。

Brilliant! I'm glad my cognitive skills are still functioning. Now, how about hearing those words again?

太好了！我很高兴我还能胜任脑力劳动。现在，让我们再听一遍那些词汇好吗？

The bargain is very pure; Employee puts in hours of physical or mental labor and employee draws out life-sustaining moola.

这种交易很纯粹；雇员投入数小时的体力或脑力劳动来得到维持生计的薪水。

In fact, just make sure you're subscribed to The Good Stuff and BrainCraft, they are awesome.

事实上，只确保你订阅了“好东西”和 “脑力劳动”，它们真的都太棒了。

Researchers found reactions to be significantly decreased at higher noise levels for both physical and mental work.

研究人员发现，管是体力还是脑力劳动时，较高的噪音环境都会使反应能力明显下降。

Concerning our friend Ruburt… because of his rather intense mental work, I would suggest walks and other physical activities.

关于我们的朋友鲁柏，因为他的脑力劳动相当紧张，我建议他散步或进行其他身体动。

It takes a lot of brain work.

这大量的脑力劳动。

I'm really talking about the hard mental work.

我真的在谈论艰苦的脑力劳动。

He seldom has much good mental work or recreation in the way of books.

他很少以读书的方式进行脑力劳动或消遣。

Well, the website is the brainchild of my brainchild, Ryan.

嗯, 这个网站是我脑力劳动的产物, 瑞安。

On the other hand, being skeptical and analytical takes more mental work.

另一方面，怀疑和分析更多的脑力劳动。

The equivalent of flatworms a billion years  ago, doing the minimum amount of mental work.

相当于十亿年前的扁虫，做着最少量的脑力劳动。

The listener failed to understand him, and looked with her familiar expression of mental effort.

听众无法理解他, 用她熟悉的脑力劳动表情看着他。