3. He did not get a chance to deepen his knowledge of Poland.

　　他沒有機會更深入地了解波蘭。

　　4. We had this understanding that courses were roughly the same weight.

　　我們已經了解到各門功課差不多一樣重要。

　　5. For more details about these products, send a postcard marked HB/FF.

　　要了解這些產品的詳細信息，請寄來標明HB/FF字樣的明信片。

　　6. If you'd like more information, ring the Hotline on 414 3929.

　　如果想了解更多信息，請撥打熱線電話4143929。

　　7. She also stimulated his curiosity and opened his mind to other cultures.

　　她還激發了他的好奇心，使他愿意了解其他文化。

　　8. You should also make your views known to your local MP.

　　你也應該讓本地議員了解你的觀點。

　　9. He was a very mechanical person, who knew a lot about sound.

　　他精通機械，了解許多有關聲音的知識。

　　10. Medical authorities were baffled, both as to its causes and its virulence.

　　醫療當局對其病因及有多致命都還不甚了解。