We have mastered the act of killing. Now let's master the joy of living.

我们已经精通了杀戮的技巧，现在应该学习生命的妙。

To achieve mastery, our brain needs time to develop.

为了达到精通，我们的脑需要时间来发展。

And surfing the web exercised the brain more than reading did among computer-savvy older adults in a 2008 study involving 24 participants at the Semel Institute for Neuroscience and Human Behavior at the University of California, Los Angeles.

2008年，学洛杉矶分校塞梅尔神经科学与人类行为研究所对24名参与者进行了一项研究，结果显示，在精通电脑的老年人中，上网比阅读更能锻炼脑。

Garrett's expertise in roosters...was the cornerstone of our plan to avoid contact with Juli Baker.

伽利特对公鸡的精通 是我们避免与朱莉·克接触的基石。

Now you would think that being a top scientist she would be brilliant at all areas or aspects of the job, but she told BBC News that it wasn't always the case.

你也许会认为作为一名顶级科学家，她应该精通这项工作的方方面面，但是她告诉BBC新闻节目，并不是总是这样。

He knows all the tricks of the trade.

他精通这一行的所有诀窍。

If so, your goals must include proficiency in all skill areas.

如果是这样，你的目标一定要包括精通英语的所有技能。

An effective Socratic educator must be well versed in their subject.

若想通过苏格拉底法取得成效，该教师必须精通自己的学科。

Yes, they are skilled in the art of juggling.

是的，他们精通杂耍的艺术。

A little more than one-third of eighth graders are proficient in reading and math.

八年级的学生中，比1/3多一点儿的学生精通阅读和数学。

And that is where menstrual-cycle-savvy coaches come in.

这就是精通生理周期的教练们的用武之地。

So you have two very competitive, data-savvy companies.

有两个非常有竞争力、 精通数据分析的公司。

He was a skilled politician on the international stage during a time of great turmoil.

在那个动荡不安的时期，他是国际政治舞台上的一个精通权术的政治家。

That is radical change for someone who used to be a master of milestone-tracking.

对于曾经精通里程碑跟踪的人来说，这是一个根本性的改变。

With help from his seven brothers and sisters, he mastered the bus service in Syracuse.

在七个兄弟姐妹的帮助下，保罗精通了雪城的公共汽车服务工作。

Even at 16, kids who were proficient liars outperformed poor liars.

即使在十六岁，精通骗术的孩子也在测试中表现得更好。

Julia Child is co-author of the book Mastering the Art of French Cooking.

朱莉娅·查尔德是《精通法国烹饪的艺术》一书的合著者。

Constant exposure to English is a must if you want to master the language.

多多接触英是想要精通这个语言的不二法门。

A young tech savvy population, vast numbers of them use VPN, virtual private networks.

这是一个精通技术的年轻群体，他们中的部分人会使用VPN（虚拟专用网络）。

But seduction isn't the only game she knows how to play.

但她精通的可不止是引诱。