1. Without grass and trees and bushes and, yes, dirt and mud to get dirty in, children miss an important part of childhood.
    没有了青草、没有了树木、没有了灌木，还有, 没有了弄脏他们手脚和衣服的污物泥土，孩子们就失去了童年生活中的一个重要组成部分。

2. Working time is considered precious.
    工作时间被认为是宝贵的。

3. It requires much time, commitment and discipline to keep up with the flow of the course.
    它需要花更多的时间，需要学习者专一、自制，以跟上课程进度。

4. When other people are finished and having fun is most likely the time when online students do their course work.
    别人已完成作业开始玩耍，而此时网络学生却很可能还在上课。

5. When you see a person for the first time, even though he doesn't speak to you, you begin watching him — his actions, his attitude, his clothing and many other things.
    在你初次见到一个人的时候，即使他不跟你说话，你也开始观察他了：他的行动、态度、衣着，以及其他许多情况。

6. What should I do? During this very difficult time, I couldn't tell anyone for fear I wouldn't be able to compete in the Olympics if people learned I was HIV-positive.
    我该怎么办？然而在这艰难的时刻，我却不能把这些告诉任何人，因为一旦人们知道我是艾滋病毒阳性，我便不能参加奥运会比赛了。

7. With the passage of time and the birth of grandchildren, their mothers accepted their marriage.
    随着时间的流逝，随着孙子和外孙的出世，他们的母亲都认可了他们的婚姻。

8. What I am going to say is if you have a computer, now would be a good time to back up your files (档案)."
    可我要告诉你的是，如果你有台电脑，现在就是做好归挡的时候。"

9. Why hadn't he called the police at the time?
    可他当时为什么不报警呢？"

10. With this pace, I lived in low-grade terror — and I was only a part-time worker.
    生活在这种节奏下，我提心吊胆，好在我只是兼职。