1. Engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
    因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。

2. One day, he walked into an expensive shop after having been caught in a particularly heavy shower.
    一天，他遇上一场瓢泼大雨，淋得透湿。

3. 11.You've won an expensive car in a competition.
    11.你在比赛中赢得一辆价格昂贵的汽车。

4. It´s not as expensive as you think. The beauticians there are nice.
    它并没有你想象的那么贵, 那里的美容师很好.

5. I bought two expensive dictionaries here half an hour ago. but I forgot to take them with me.
    半个小时前我在这里买了两本很贵的词典, 但是我忘了带走.

6. It´s handmade and hence expensive.
    这是手工制作的, 因此价钱很贵。

7. Is her tuition expensive?
    她的学费是否很贵?

8. In the early 1950s computers were expensive and unreliable.
    在二十世纪五十年代初期, 计算机价钱很贵, 而且也不可靠。

9. It´s the most expensive model in the shop.
    这是店里最贵的型号。

10. I bought two expensive dictionaries here half an hour ago,
    半小时以前我在这里买了两本很贵的辞典，