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

我已经精通了杀戮技巧，现在应该学习生命美妙。

To achieve mastery, our brain needs time to develop.

为了达到精通，我大脑需要时间来发展。

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，加州大学洛杉矶分校塞梅尔神经科学与人类行为研究所对24名参与者进行了项研究，结果显示，在精通电脑老年人中，上网比阅读更能锻炼大脑。

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

伽利特对公鸡精通 是我避免与朱莉·克接触基石。

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.

你也许会认为作为名顶级科学家，她应该精通这项工作方方面面，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.

精通这行所有诀窍。

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

如果是这样，你目标定要包括精通英语所有技能。

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学科。

Yes, they are skilled in the art of juggling.

是，精通杂耍艺术。

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

八年级学生中，比1/3多儿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教练用武之地。

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

有两个非常有竞争力、 精通数据分析公司。

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

在那个动荡不安时期，是国际政治舞台上个精通权术政治家。

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人来说，这是个根本性改变。

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

在七个兄弟姐妹帮助下，保罗精通了雪城公共汽车服务工作。

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《精通法国烹饪艺术》书合著者。

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

多多接触英文是想要精通这个语言不二法门。

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

这是个精通技术年轻群体，中大部分人会使用VPN（虚拟专用网络）。

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

但她精通可不止是引诱。