1. He tried to behave like an aristocrat in order to win the heart of the girl.
    为了赢得姑娘的心, 他尽量表现得像个贵族。

2. He had discovered a great law of human action without knowing it — namely, that in order to make a man or a boy desire a thing, it is only necessary to make the thing difficult to attain.
    他不知不觉发现了人类行为的一个伟大的定律——那就是，若要使人追求一物，只要让它难以到手就行了。

3. Drastic measures will have to be taken to restore order.
    为恢复秩序必须采取严厉措施.

4. During her "free" period from 2 to 3 p.m., Mrs. Cox has to meet with parents, order supplies, make out examinations, check assignments, and take care of many other things.
    下午2点到3点是她的“空闲”时间，她在这段时间里会见家长，定购教学用品，出考试题，批改作业，还要料理许多杂事。

5. A.You pick up the mail anxiously each day and breathe with peace when the letter isn't there.
    a.你每天收邮件时都焦急不安，当发现没有调价通知书时，你就会如释重负地松一口气。

6. An order has come from Berlin that no language but German may be taught in the schools of Alsace and Lorraine.
    柏林来了一道命令说, 阿尔萨斯和洛林地区的学校里只许教德语.

7. An enterprise has to incur certain costs and expenses in order to stay in business.
    为了维持营业，一家企业必须担负起一定的费用和开支。

8. An order has come from Berlin that no language but German may be taught in the schools of Alsace and Lorraine.
    柏林来了一道命令说, 阿尔萨斯和洛林地区的学校里只许教德语.

9. As usual, the police will have a difficult time. They will be trying to keep order.
    如往常一样，警察的日子将不太好过。他们要设法维持秩序。

10. An enterprise has to incur certain costs and expenses in order to stay in business.
    一个企业为了继续经营，不得不支出一定的费用和开销。