1. if only; only if

　　(1) if only仅以条件从句出现,主句省略,表达强烈的愿望或惊讶,意为"要是……就好了;但愿"。如:

　　If only I had met her earlier!我要是早点儿遇到她该有多好!

　　If only he had known about the news.但愿他知道这个消息。

　　If only I could be rich.要是我富有就好了。

　　(2) only if引导条件状语从句,意为"只要;只有在……的时候"。如:

　　Only if it clears up, we will go immediately.只要天放晴,我们就立刻走。

　　I am sure he will succeed only if he tries hard.我敢肯定只要他努力,他一定能成功。

　　2. such as; as such

　　(1) such as相当于for example,用来列举一系列事物。如:

　　I visited several cities such as New York, Chicago and Boston.我参观过好几个城市,像纽约、芝加哥和波士顿。

　　We are in great need of reference books, such as dictionaries and hand-

　　books.我们急需参考书,如词典和手册。

　　(2) as such意为"以那种身份(资格);名副其实地;本身"。如:

　　She is a guest and must be treated as such.她是客人,必须那样对待她。

　　Money, as such, does not bring happiness to people.金钱本身并不会给人带来幸福。

　　They don't oppose the plan as such.他们本身不反对这个计划。

　　3. from across; across from

　　(1) from across是双重介词,意为"从那边"。如:

　　He came from across the street.他从街道那边走来。

　　Can you swim from across the English Channel?你能从英吉利海峡游过来吗?

　　(2) across from亦为双重介词,意为"在……的对面;在……对侧"。如:

　　The Agriculture Bank of China is just across from our school.中国农业银行就在我们学校对面。

　　-Is the No. 1 Middle School far away from here?一中离这里远吗?

　　-No, it is just across from the post office.不远,就在邮局对过。

　　4. result in; in result

　　(1) result in意为"结果;终于;导致",句子的主语是因, in的宾语是果。如:

　　His careless speech resulted in much argument.他的发言过于草率,因而引起许多争议。

　　The accident resulted in the death of two passengers.这次事故造成两名乘客死亡。

　　(2) in result意为"结果;引起(结果)",多用于句末。如:

　　He failed in the exam in result.他结果考试没及格。

　　Thousands of people lost their lives in the accident in result.结果是成千上万的人在这次事故中丧命。

　　5. in all; all in

　　(1) in all意为"总共",相当于altogether。如:

　　There are more than a thousand cars in all.总共有一千多辆车。

　　Tom worked three days and earned 1, 000 dallars in all.汤姆干了三天,总共

　　挣了一千美元。

　　(2) all in意为"精疲力竭的",相当于exhausted。如:

　　He was all in at the end of the race.赛跑结束时他精疲力竭了。

　　6. turn in; in turn

　　(1) turn in意为"上交;交回"。如:

　　I picked up a wallet and turned it in afterwards.我拾到一个钱包,然后把它上交了。

　　You must turn in your equipment before you leave.你离开之前必须交回设备。

　　(2) in turn指两个人时,意为"轮流";指三个人或三个以上时,意为"一个接一个;依次"。如:

　　My husband and I cook the meals in turn.我和我丈夫轮流做饭。

　　The boys were summoned in turn to see the examiner.男孩子们依次被召入见考官。

　　(文/秦国清武传红；英语辅导报高三版2003-2004学年第37期；版权归英语辅导报社所有，独家网络合作伙伴新浪教育，未经许可，不得以任何形式进行转载。)