It is not easy to master a language.
学好一门语言是不容易的。
It's not easy to master a foreign language.
掌握一门外语并不容易。
It is not easy to master a foreign language.
掌握一门外语不容易。
You need a variety of styles, easy to master.
你所需要的各种风格，一手轻松掌握。
I don't think it easy to master a foreign language.
我觉得要掌握一门外语不容易。
A foreign language isn't by any means easy to master.
要精通外语绝对不是件简单的事。
It is not easy to master (mastering) a foreign language.
掌握一门外语不容易。
Production tests indicate it is easy to master this technology.
通过生产试验，基本上掌握了生产技术要求。
This method and its equipment are very simple and easy to master.
这种方法设备简单、易于掌握。
The advantage of METMACD system is convenient to operate and easy to master.
该系统的优点是操作简便、容易掌握。
The structure is complex and is not easy to master in passive transformation.
在被动转换时，它具有复杂多变性，比较难以掌握。
The results show that the method is simple, visualized, clear and easy to master.
结果表明，此法简单、直观、清晰，而且容易掌握。
Writing is not an easy craft to master.
写作不是一门容易掌握的手艺。
As such, there isn't an easy ten step program to master it.
因此要掌握它不是一个简单的十步计划。
To master a language is not an easy thing.
掌握一门语言不是一件容易的事情。
Sure, that sounds easy enough, but you have to become the master of that reflex.
当然，这听起来容易，但你必须能够控制自己的反射。
Nothing is easy and the results are often initially difficult to master.
事无易成者，其结果往往最初都难以把握。
To master a foreign language is not an easy thing.
掌握一门外语不是一件容易的事。
English is a language easy to learn but difficult to master.
英语是一门容易学但是难精通的语言。
It is not an easy thing to master a language.
学好语言是不容易的。
I think it easy for you to master a foreign language.
我认为你要掌握一门外语是很容易的。
The second method of transformation is an important but not-easy-to-master calculus method.
第二类换元法是一种既重要又不易掌握的积分方法。
Its powerful and easy-to-use interface makes everybody master it quickly.
其功能强大，易于使用的界面，使大家很快掌握它。
It is easy to learn from the master model;
是便于得到社会认同的模式；
It is easy to learn from the master model;
是便于得到社会认同的模式；
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