要想练好一种乐器，你必须持之以恒。
If you want to play an instrument well, you've got to stick at it.
你必须持之以恒，坚持运用你的知识。
You have to persevere and persist in applying your knowledge.
首先，必须感兴趣，其次必须持之以恒。
First of all, you must be interested in it. And then, you should make constant efforts.
学习应该是一个永无止境的过程，我们必须持之以恒地学习。
Learning should be a never-ending process. We must learn knowledge continuously.
并不容易，也不能一下子完成，但是必须持之以恒，战斗不止。
并不容易，也不能一下子完成，但是必须持之以恒，战斗不止。
It is not easy. You can not finish it, but you have to continue to fight.
不要忘记，在人生的道路上，要想做成什么事，我们必须持之以恒。
Don't Give UpIf we should ever accomplish anything in life, let us not forget that we must persevere.
十万火急用英语翻译：我认为学习英语不是一天俩天的事，必须持之以恒。
I think learning English is not a day of the two-day, must persevere.
我想如果你真的想从事动画事业的话，就必须持之以恒的去主动的观察和绘画。
I think if you want to be in the business of animation or art, you have to have a constant desire to create.
无论何种抗抑郁药物类别，患者必须持之以恒服用3- 4周，然后他们才可能体验到完全的治疗效果。
For all classes of antidepressants, patients must take regular doses for at least three to four weeks before they are likely to experience a full therapeutic effect.
技术的飞速发展，无数的商业环境，给你全新、不同的途径应用你的知识，为此，你必须持之以恒地学习。
Given the rapid changes in technology and myriad business situations that throw up new and different avenues to apply your knowledge, you have to constantly keep learning.
反假冒伪劣产品之战实则是对抗人类贪婪本性之战。并不容易，也不能一下子完成，但是必须持之以恒，战斗不止。 ！
Fighting against fake products is the war against human greediness. It is not easy. You can not finish it, but you have to continue to fight.
当今世界，形象力日益成为商战取胜的关键。优美的品牌形象是企业巨大的财富。形象经营是一项长期的战略使命，必须持之以恒。
Striking image of a brand is a great wealth of an enterprise and thus a key to success in the world-wide commercial competition.
关于如何传承作者提出：师承名医，必须要有较高的悟性；师承名师，必须主动学习，捕捉灵感；师承名医，必须持之以恒，开拓创新。
The best model is combination the succession of teachers of Chinese medicine with academic education You must have comprehension, initiative and persistence to learn from famous doctors.
关于如何传承作者提出：师承名医，必须要有较高的悟性；师承名师，必须主动学习，捕捉灵感；师承名医，必须持之以恒，开拓创新。
The best model is combination the succession of teachers of Chinese medicine with academic education You must have comprehension, initiative and persistence to learn from famous doctors.
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