1. Not only did learning another language teach me the value of hard work, but it also gave me insights into another culture, and my mind was opened to new ways of seeing things.
    它不仅使我懂得了艰苦努力的意义，而且使我认识了不同的文化，让我以一种全新的思维去看待事物。

2. Now that I speak a foreign language, instead of staring into space when English is being spoken,
    现在我已能够说外语，别人讲英语时我不再茫然不解了。

3. Karl Marx was born in Germany, and German was his native language.
    卡尔 马克思生于德国, 德语是他的本族语.

4. Karl Marx was born in Germany, and German was his native language.
    卡尔 马克思生于德国, 德语是他的本族语.

5. He had mastered the language so well that he was able to write a book in English.
    他已熟练地掌握英语, 能用它来写书了.

6. He used most offensive language.
    他说了很无礼的话。

7. He was fond of saying, "A foreign language is a weapon in the struggle of life."
    他常喜欢说：“外国语是人生斗争的一种武器。”

8. Here there is nothing unnatural, such as is often found in language lessons in schools, when one talks about ice and snow in June or scorching heat in January.
    这里没有任何不合自然规律的东西，而在一些学校的语言课上，人们却常常在六月谈论冰雪或是在一月谈论灼热的热浪。

9. He says these children have an advantage over their peer group in language ability, intellectual ability, and even social leadership skills.
    他说这些孩子在语言能力、智力，甚至领导才能上都比同龄孩子要强。

10. Do you like learning a foreign language?
    你喜欢学外语吗?