3 . 结合语境，写出黑体词（组）在句中的含义。
1. Perhaps you are an average student with average intelligence. ________
2. Plus, you will have free access to talking with classmates in Chinese there. ________
3. Please observe the rule about not walking on the grass. ________
4. In the hard course of writing, Mo Yan went through countless winds and rains. ________
5. It was dark, and we could not make out who was coming along the road. ________
6. She left out an important detail in her account of the fire accident. ________
7. Scientists found some carved symbols on the walls of the cave, confirming that civilization did exist here in ancient times. ________
8. There is no doubt that William Shakespeare is an authority on English literature. ________
9. I shall be grateful if you will take necessary measures to recover my lost camera. ________
10. Thirdly, you should receive moral education. If your conduct is not good, no one will consider making friends with you. ________

4 . 我想利用这次旅行来探索这座城堡的历史。(汉译英)