Unite 1
1.由于下大雪，旅客们只能在机场等到午夜雪停为止。

Because of the heavy snow, the passengers had to wait at the airport until midnight when the snow stopped.
2.火车开动20分钟后，两个男孩才发现他们登上的是一辆开往杭州，而不是他们的家乡苏州的火车。

Twenty minutes after the train started, the two boys found that they had got on a train heading for Hangzhou instead of their hometown, Suzhou.
3.发音相似的英语词常常引起讲英语者之间的误会。

Similar-sounding English words often result in misunderstandings among English-speaking people.
4.驾驶员听到从汽车引擎(engine)里传出异常的声音，于是他马上靠边停车检查，但是最终一切正常。

The driver heard an unusual sound from the car engine, so he pulled over immediately to check, but it turned out all right in the end. 5.当李先生意识到自己犯了一个在把英语作为第二语言的人群中常见的错误时，他感到很尴尬。

Mr. Lee felt very embarrassed when he realized that he had made a very common mistake among speakers of English as a second language.
6.玛丽想学日语，并希望能很快学会，但不久就发现日语太难了，短期内她无法学会。

Mary felt like learning Japanese and hoped she could learn it quickly, but soon found it was too difficult for her to learn in a short period of time.
Unite 2
1.公众注意到自从那位地方官员离去之后，他的职位已经空了几个月了。

The public noticed that since that local official left, his position had been vacant for a couple of months.
2.看到女孩在站台上无助地四下张望，年轻的搬运工客气地问她是否需要帮助。

Seeing the girl looking around helplessly on the platform, the young porter asked politely if she needed any help.
3.你的同伴在门口一露面我就认出来了。

他跟你描述的一模一样。

I recognized your companion the minute he appeared at the door. He looked just as you had described.
4.我们省去了找旅馆的麻烦，因为我的好朋友邀请我们住在她家，还有一辆豪华汽车任由我们使用。

We didn’t bother to find a hotel, for my good friend invited us to stay in her house and put a luxurious car at our disposal.
5.教授翻箱倒柜地找眼镜的时候，他的妻子却舒舒服服地坐在扶手椅上注视着整个场面。

While the professor was turning the suitcases inside out to find his glasses, his wife was sitting comfortably in an armchair watching the whole scene.
6.我没有理睬她，因为她期望我像对女王那样对待她
I turned my back on her because she expected me to treat her like a queen.
Unite 3
1.为了集中精力练跳远，他已经放弃了跑步。

He has given up running in order to focus on the long jump
2.在《我不能接受不努力》一书中迈克尔•乔丹回顾了他是如何对付他所面临的挑战的。

In his book I Can’t Accept Not Tr ying, Michael Jordan looks back on how he approached the challenges he faced.
3.如果你当初尽了自己最大的努力，你早就实现了成为校队首发队员的目标。

If you had tried as hard as you could, you would have long achieved
your goal of becoming a starter on the varsity.
4.即使你没有通过期末考试,也不要自责，因为下学期开学时你还可以再考一次。

Even if you fail the final examination, don’t get down on yourself, because you can take the examination again at the beginn ing of next term.
5.如果你的最终目标是做一名英语教师，那就首先要做的就是把英语学好。

If your ultimate goal is to become an English teacher, then the first thing you have to do is (to) learn English well.
6.并不是每个人都能闻名世界。

但如果你尽了全力，你仍可以被认为是一个成功者。

Not everyone is going to be world-famous. But if you have done your best, you can ustill be considered a success.
Unite 4
1.这份报告详述了部分物种如何因为环境污染而灭绝的经过。

This report dwells on how some species were exterminated because of the polluted environment.
2.说实话，我觉得出于偏见的刻毒评论总比伪君子的假意称赞好。

To tell the truth, I think a snide comment made out of prejudice is better than faked praise given by a hypocrite.
3.玛丽代表全体员工反驳经理，她争辩说限制员工自由是残忍的，并且最终将使公司名誉受损
Mary countered the manager on behalf of all the employees by arguing that it’s cruel to limit the employees freedom and it will eventually affect the company’s reputation.
4.到底是什么使得一些人，尤其是一些高官，不顾法律(law) 而滥用职权？
What on earth has enabled some people, particularly certain high officials, to abuse their powers despite the law?
5.我不认为成功仅仅与智力有关。

其实很多好的品质(quality) 比如纯真、诚实、幽默和忠诚等，也可以帮助我们成功。

I don’t think success is merely related to intelligence. In fact, many good qualities, such as innocence, honesty, humor and loyalty, can help us succeed, too.
6.说来也怪，这个笑话居然没有引来捧腹大笑，甚至连一丝笑声都没有。

难道观众
(audience) 在装严肃？
Strangely enough, the joke did not bring about hearty laughter, not even a hint of any. Could it be that the audience was pretending to be serious?。