请帮忙翻译下面几句话：
1.他们发现要掌握一门外语是困难的。(find it hard to ) 2.这项研究表明成功人士在许多方面是相似的。(similar) 3.成功的语言学习者不只依赖书本或者教师。(depend on) 4.我们愿意帮助我们的朋友。(be willing to ) 5.我们应该独立地，积极地并且有目的地学习新东西。（purposefully）
1. They have found it hard to master a foreign language. 2. This study shows successful people are similar in many ways. 3. Successful language learner should not be depended on books only. 4. We are willing to help our friends. 5. We should independently, aggressively, and purposefully study new things.
1。他们发现要掌握一门外语是困难的。(find it hard to ) They found that it is difficult to master a foreign language。 2。这项研究表明成功人士在许多方面是相似的。
(similar) This study shows that there are many similiarities among the sucessful people。 3。成功的语言学习者不只依赖书本或者教师。(depend on) Those who are sucessful in the language learning do not rely on books and teachers。
4。我们愿意帮助我们的朋友。(be willing to ) We are willing to assist our friends。 5。我们应该独立地，积极地并且有目的地学习新东西。（purposefully） We should act independently, enthusiatically and objectively in our new undertakings。
。
1. They have found it difficult to master a foreign language. 2. This study shows successful people are similar in many aspects. 3. Successful language learner should not be depended on books only. 4. We are willing to help our friends. 5. We should study new things independently, aggressively, and purposefully.
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