1."We mustn't buy things we don't need," I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说。
知识点：本句包含一个省去了关系代词的定语从句。补充完整应该是：
We mustn't buy things that / which we don't need.
2."I find it beautiful," I said. "A man can never have too many ties."
“我觉得它挺好看，”我说，“男人拥有多少领带也不会嫌多。”
知识点：cannot…too / over…，can never... too / over…意思是“无论怎么……也不为过分”或是“越……越好”：
I cannot thank my parents too much.
我无论怎么感谢我的父母都不过分。
You can never be too careful when you drive a car.
当你开车的时候，你越小心越好。
Drinking water can never be too clean.
饮用水越干净越好。
3. I regretted saying it almost at once.
我马上后悔说了这话。
知识点：regret doing sth. 后悔做了某事。
