1 acquaintance熟人 eg. I have a large circle of friends and acquaintances engaged in photography.我在摄影界交游甚广。

   认识，了解n eg. They had little or no acquaintance with philosophy or history.他们在哲学或是历史方面几乎一无所知。

2 bother 操心，烦恼v eg. Nothing I do makes any difference anyway,so why bother?既然我做什么都于事无补，我为什么还要费劲呢？

             麻烦n eg.  The courts take too long and going to the police is a bother.打官司耗时太久，去找警察也很麻烦。

3 downside 下降趋势n,adj eg. There is a downside to it: the more she remembers,the more bitter she feels about what has happened.这有个不利之处：她记起的越多，对发生的一切就会觉得越痛苦。

                负面，缺点n eg. The downside of this approach is a lack of clear leadership.这个办法的缺点是没有明确的领导。

4 perpetuate继续，延长v eg. We must not perpetuate the religious divisions of the past.我们绝对不能让过去的宗教分裂继续下去。

5 perpetrate 犯罪vt eg. Tremendous wrongs were being perpetrated on the poorest and least privileged Human beings.对最贫穷和最没有特权的人们犯下了大量罪行。

6 altogether 完全adv eg. The fashion business,he claims,not altogether convincingly,is more real than the film business.他声称时尚业比电影业更真实，但他的话并不完全令人信服。

                总体来说，总共adv eg. Britain has a dozen warships in the area,with a total of five thousand military personnel altogether.英国在该地区驻有12艘战舰，共有5,000名军人。

7 mix with 与...混合，与..交往v eg. I ventured the idea that the secret of staying young was to mix with older people.我大胆地提出了这样的观点：保持年轻的秘诀就在于和年长的人交往。

8 pass up错过 eg. The offcial urged the government not to pass up the opportunity that has now presented itself.那位官员敦促政府不要放弃送上门的机会。

9 unseen 看不见的，被忽视的adj eg. There was barely time for the two boys to escape unseen.两个男孩想趁人不备偷偷溜走几乎是来不及的。

10 if so如果是这样的话 if necessary如果有必要的话 if ever如果曾经有的话

11 in the process of在...的过程中adv eg. The turning point in the process of growing up is when you discovered the core of strength within you that survives all hurt.当你从内心深处找到一种可以忍受一切痛苦的坚强力量时，你的成长历程就会出现飞跃。

12 put down 写下，付款，镇压，贬低v eg. He bought an investment property for $100,000 and put down $20,000.他以10万美元买下一处投资性地产，并支付了2万美元的定金

    eg. I know that I do put people down occasionally.我知道我确实偶尔会奚落别人。

13 vibrant充满生气的，明亮的 eg. Tom felt himself being drawn towards her vibrant personality.汤姆感觉自己被她充满朝气的个性所吸引  eg. The grass was a vibrant green.草地绿油油的。

14 like-minded志趣相投的 eg. the opportunity to mix with hundreds of like-minded people.与许许多多志趣相投的人交流的机会

15 spree 狂欢n，vi eg. Some Americans went on a spending spree in December to beat the new tax.一些美国人在 12 月疯狂花钱，以避开新税。

13 haggle争吵，讨价还价v eg. Of course he’ll still haggle over the price.他一准还会杀价。

Lesson 75-76 Shopping on the web