为了掌握语法知识，尽可能多做练习是有必要的。
In order to master grammar knowledge, it is necessary to practice as much as possible.
为了完全掌握一门外语，有四点至关重要。
In order to know a foreign language thoroughly, four things are necessary.
这里有五条你在90天里掌握的教训。
还有，人生中任何事情都是有可能的，未来完全掌握在我们手中。
And, that anything is possible in life; the future is completely in our hands.
我觉得我们已经有一个稳定的发挥一切尽在掌握。
你们有多少人能熟练掌握不止一门语言。
How many of you know more than one language pretty fluently?
你是否至少掌握一点点的技术知识(或者有一定的基础去学习)？
Do you have at least a little technical knowledge (or a comfort level with learning)?
Gstreamer环境有很大一组概念需要掌握。
The gstreamer environment has a fairly large set of concepts to pick up.
我认为在更短的时间内掌握这种语言是有可能的。
I think it possible to master the language in a shorter time.
掌握了这门语言意味着有了更多的成功机会。
To master the language means to have more opportunities to succeed.
结果就是我对英语有很好的理解和掌握。
As a result, I have well understand and good command of English.
我们有必要掌握更多的市场情况。
掌握一门外语是有必要的。
是否要或不相信它老是有一些新的学习和掌握。
Whether you choose to believe it or not, there's always something new to learn and master.
我们发现掌握另一门外语是有必要的。
We find it necessary for us to grasp another foreign language.
是否有必要掌握一种国际语言？
他认为有必要先掌握一些规则，然后再干。
He believe it necessary to learn some rules before doing it.
他掌握这犯罪现场他有能力。他影响这历史记载。
He controlled the crime scene, and the ability. He influenced the written accounts.
“没有规矩”，这种观念掌握起来只能比有规矩的难得多。
"No rules" only means a different mindset which is so much more difficult to master.
从某种意义上讲，只有做个有准备的人，我们才能完全掌握自己的人生。
All in all, only being a prepared person we can control our life completely.
我们有必要掌握英语。
现在，我们有了自己的风格，这是需要通过实践才能掌握的技艺。
Now that we've got the style, it's just a matter of practice.
登该广告的人声称掌握了保持年轻的秘诀，有许多妇女相信了广告商的话。
Many women believed the advertiser's claim to know the secret of keeping young.
我有很多时机去练习并掌握英语口语。
I had ample opportunity to practice and master spoken English.
有很强的工作能力，学习能力强，可以在短时间内理解掌握业务知识。
Capable, inquisitive and quick-learning, able to master business knowledge in short time.
有很强的工作能力，学习能力强，可以在短时间内理解掌握业务知识。
Capable, inquisitive and quick-learning, able to master business knowledge in short time.
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