【正文】 ut a miracle can save her 。*It，s nothing but an ordinary watch．這只是塊普通的表。*He had nothing but a cup of tea this morning．他早上只喝了杯茶。now and then 時(shí)而，偶爾*Now and then he goes to a ball game．他偶爾去看看球賽。*Now and then Larry and his wife go out to dinner at an expensive firstrate restaurant．拉里和他妻子偶爾去豪華飯店吃飯。*Every now and then she would glance up at the clock．她不時(shí)抬頭看看鐘。off and on 斷斷續(xù)續(xù)地*It rained off and on all day．雨斷斷續(xù)續(xù)地下了一整天。*He wrote to a girl in London off and on for several years．他與倫敦的一位姑娘斷斷續(xù)續(xù)地通了幾年信。*We don39。t go to the theatre regularly，just off and on．我們不常去看戲，只是偶爾看看罷了。off duty 下班，下班的*He is off duty today．他今天不值班。*It seems that all the taxis in New York are off duty whenever it rains．雨天，紐約所有的出租車似乎都休息了。*He usually es off duty at 5 。on a large/small scale 大規(guī)模地/ 小規(guī)模地 They are preparing for war on a large 。on account of 因?yàn)?，由?The piic was held indoors on account of the rain．由于天下雨，野餐在室內(nèi)進(jìn)行。*Flights were delayed two hours on account of the thick fog．由于大霧，班機(jī)推遲了兩小時(shí)。*Bill cannot e to the meeting on account of 。on an/the average平均，通常*On an average Don39。s mother has to ask him three times before he helps wash dishes．通常唐的母親叫他3遍他才幫助洗盤子。*On the average the machine turns out one bottle every two seconds．這臺(tái)機(jī)器平均每兩秒鐘生產(chǎn)1只瓶子。on behalf of 代表，為了…….的利益*John accepted the championship award on behalf of the team．約翰代表球隊(duì)領(lǐng)取冠軍獎(jiǎng)。*He rendered many valuable services on behalf of justice and freedom．他為正義和自由做了許多有意義的事情。*They worked hard all their lives on behalf of the poor．他們畢生為窮人的利益而辛勞。on board 在船上、車上*A ship was leaving the harbor，and we saw the people on board waving．船緩緩地離開港口，我們看見船上的人在揮手。*Jack wasn39。t on board the ship when it sailed．啟航時(shí)，杰克不在船上。on business 為了生意，為了公事*Are you here on business or for pleasure？你來這兒是有事還是消遣呢？*The secretary told the visitor that the manager was out on business．秘書告訴來訪者說經(jīng)理出差去了。on condition that 假如，在……條件下*I will lend you the money on condition that you pay it back in one month．假如你在一個(gè)月內(nèi)能還我錢，我就借給你。*You can go there on condition that you don39。t e back late for dinner．你可以去那兒，條件是回來吃飯不能太晚。on duty 上班，值班*Don39。t talk with him． He39。s on duty now．不要跟他說話，他正在值班。*Policemen are not allowed to smoke while on duty．警察上班時(shí)不許吸煙。*I usually go on duty at 8 。on foot 步行，在進(jìn)行中*Sally39。s bicycle broke and she had to return home on foot．薩莉的自行車壞了，她只好步行回家。*It is a new scheme on 。on guard 警惕，警戒*The police warned people to be on guard for pickpockets during the Christmas rush．警察警告人們?cè)谑フQ購物高潮時(shí)謹(jǐn)防小偷。*Be always on guard against placency．要時(shí)時(shí)警惕自滿情緒。on hand 在場，在手頭There weren39。t enough snacks on hand for the 。We have plenty of money on hand to pay for the 。We have nobody on hand to repair your 。on occasion(s)有時(shí)，偶爾*I meet him on occasion at the club or in the theatre．我在俱樂部或戲院里有時(shí)能遇到他。*On occasion we feel like celebrating and have a party．我們有時(shí)喜歡來個(gè)聚會(huì)慶賀一番。on one’s own 獨(dú)立，獨(dú)自*You are allowed to drive a car on your own．允許你獨(dú)自開車。*I39。m all on my own today．今天只是我一個(gè)人。*Why are you sitting all on your own？你為什么獨(dú)自一個(gè)人坐在那里？ on purpose 故意地，有目的地*Jimmy hit his little brother in the eye，but he didn39。t do it on purpose．杰米打了他弟弟的眼睛，但他不是故意的。*She did not forget her coat； she left it in the locker on purpose．她并未忘記要帶外衣，她是故意放在鎖柜里的。*She broke the dish on purpose just to show her anger．她故意打破那個(gè)盤子以發(fā)泄她的憤怒。on sale 出售的，廉價(jià)出售的*These shoes are very cheap，as they are on sale．這些鞋子非常便宜，正在削價(jià)出售。*The bookstore is to close down，and many books are on sale as waste paper．書店要關(guān)閉，所以許多書象廢紙一樣在廉價(jià)出售。on schedule 按時(shí)間表，準(zhǔn)時(shí)*If my train is on schedule，I will be home by nine o39。clock．若火車準(zhǔn)點(diǎn)，我9點(diǎn)以前可以到家。*The train arrived on 。on second thoughts 進(jìn)一步考慮后，經(jīng)重新考慮后*On second thoughts they decided to leave London．經(jīng)仔細(xì)考慮，他們決定離開倫敦。on the contrary 相反地，正相反*He is not selfish；on the contrary，he is very noble and generous．他并不自私，恰恰相反，他是一個(gè)非常高尚而又慷慨的人。*The teacher thought that the children went to the zoo； on the contrary，they went to the bakery． 老師以為孩子們?nèi)チ藙?dòng)物園，恰恰相反，他們卻去了面包房。on the ground of 根據(jù)，以……為理由*On the ground of sufficient evidence he charged the young man with murder．他以充分的證據(jù)指控那個(gè)年輕人犯有謀殺罪。*He has expressed his desire to retire on the ground of failing health．他以體力不支為由表示希望退休。on(the)one hand 在一方面 on the other hand 另一方面on the point of 正要……的時(shí)候，正要……，在…..之際*The baby was on the point of crying when her mother came home．嬰兒正要哭時(shí)，這時(shí)媽媽回家了。*We were on the point of calling you when your telegram arrived．我們正要給你打電話時(shí)，你的電報(bào)來了。on the road 在旅途中*My letter will soon reach him； it is on the road．我的信正在路上，他很快就能收到。*Jane was very sick for several weeks，but now she is on the road to recovery．簡前幾個(gè)星期病得很厲害，現(xiàn)在正在恢復(fù)中。*Conscientious study put the student on the road to success．勤奮學(xué)習(xí)使那學(xué)生即將獲得成功。on the side 此外，額外*His job at the hospital did not pay much，so he found another on the side．他在醫(yī)院工作的報(bào)酬不多，所以他另外找了一份兼職。*If we get good profits from the farm, maybe we could start a little business on the , 也許我們還可以另外做一些生意。on the spot 在場*The police were on the spot within a few minutes of hearing about the crime．警察在接到犯罪消息的幾分鐘內(nèi)就趕到了現(xiàn)場。*The news of important events is often broadcast on the spot over television．重要事件的新聞總是通過電視立即廣播。on the whole 一般來說，大體上*On the whole，children begin walking when they are about one year old．一般來說，小孩1歲左右開始走路。*On the whole，men are stronger than women．一般來說，男人比女人強(qiáng)壯。*On the whole our stay there was quite enjoyable．總的說來，我們待在那里是很開心的。on time 準(zhǔn)時(shí)*They forecast the weather accurately and on time．他們預(yù)報(bào)天氣既精確又準(zhǔn)時(shí)。*If the train is on time，I should reach home before dark．如果火車不誤點(diǎn)，我應(yīng)該在天黑前到家。once again 再一次once(and)for all 永遠(yuǎn)地，最后一次地 John39。s back home once and for , 再也不走了。once in a while 有時(shí)，偶爾*We go for a piic in the park once in a while．我們有時(shí)去公園里野餐。*Once in a while the puppy would run away．小狗有時(shí)也會(huì)溜出去。once more 再一次*He asked the question once more．他再次提出這個(gè)問題。*He said he would try once more．他說他將再試一次。once upon a time 從前*Once upon a time there dwelt a fisherman on the lakeside．從前湖邊住著一個(gè)漁民。*Once upon a time there lived a king who had an ugly daughter．從前有一位國王，他有一個(gè)丑陋的女兒。one another 相互，彼此*They gave presents to one another at Christmas．圣誕節(jié)他們互贈(zèng)禮品。*We help one another with the extra work in t