4.1

1. 水管排水不畅通。
 The water pipe doesn’t discharge freely.
2.这些都是勾起她痛苦回忆的往事。
They were distressful memories to her.
3. 一般说来，欧洲国家都厌战。
European countries are, for the most part, tired of war.
4. 要是你母亲看见你的裤子破了，你有的好受了。
If your mother sees your torn trousers, you’ll be in for it.
5. 当你决定仅从中取乐，而不好好思考时，你的行动就可能招致失败和耻辱。
Once you decide to titillate instead of illuminate, you’re on a slippery slope.
6. The history of a tree from the time it starts in the forest until the boards which it yields are used, would form an interesting and, in many instances, an exciting story. （英译汉）
一棵树，从它在森林中生长起直到被制成木板使用为止，这段历史会构成一个饶有趣味的故事，在很多情况下，这个故事十分激动人心。