adv (1)倒下(downwards;from an upright position)：fall/tumble/topple～跌倒/跌倒/傾覆;knock sb/sth～把某人或某物打(撞)倒;
?(2)從一邊到另一邊(from one side to another side)：turn the page～翻過這一頁;The boat rolled right～and sank.那只船傾覆之后沉沒了。The nurse turned the old man～on to his front and gave him an injection in the left buttock. 護士給那老人翻身讓他俯臥，在他的左臀部注射了一針。He leaned the airplane～onto its back.他駕駛著飛機翻轉(zhuǎn)，背朝下地飛行。
?(3)穿(橫)過(across)：He came～and spoke to us.他走過來跟我們談話。We went/rowed～to the island in a small boat.我們乘/劃一只小船到那島上去。Take/Put this～there.把這個帶/放到那邊去。ask sb～請某人過來;
?(4)再，又(again)(尤AmE)：This work will have to be done～.這活兒得返工。He then told/repeated the story～again.于是他把故事又講了/重復(fù)一遍。
?(5)剩余，余下(remaining)：Twelve will go once in fourteen，and leave two～.14除以12得1余2。There are twelve here，and we need four，so we have eight～.這里有12個，我們需要4個，因而可剩下8個。We've sold 48 balls and we have 2 left～.我們已經(jīng)賣出48個球，還剩兩個。
?(6)加上;……多(in addition;more)：two hours or～：兩個小時或多一點;two metres and (a little)～兩米多(一點);This story book is for boys and girls of ten and～.這本故事書是供10歲和10歲以上兒童閱讀的。
?(7)結(jié)束，完結(jié)(finished)：His astonishment was a little～.他的驚訝消失了一點。Your troubles/relationship will soon pass～.你的苦腦/你們的關(guān)系將很快結(jié)束。Do get it～quickly.一定要趕快把它完結(jié)。
?(8)(表示)轉(zhuǎn)移或更換(used to express transfer or change from one person，group，place， etc to another)：go～to the enemy 變節(jié)投敵;He willed/signed the house～to his son.他在遺囑中言明/簽字把房子轉(zhuǎn)給他兒子。She handed～the letter to her sister.她將信交給她的妹妹。
?(9)全部覆(遮)蓋(so as to cover (sb/sth) entirely)：That street has been asphalted～.那條大街已鋪上了瀝青路面。Those wounds will soon heal～.那些傷口會很快愈合。The river froze～.這條河全結(jié)冰了。Cover her～with a sheet.用床單把她蓋起來。paint sth～in red把某物漆成紅色;
?over against 與某事物對比(fml)：set truth～against falsehood 使真理和謬誤成鮮明對照;
?over and over (again) 一再，反復(fù)多次： The children sang the song～and～again.孩子們反復(fù)地唱這首歌。
?prep(1)覆(蓋)于……之上(on the surface of and partly or completely covering (sb/sth))：spread a blanket/cloth～the bed/the table. 把毯子/臺布鋪在床/桌上; He wore galoshes～his shoes.他在鞋外面穿著套靴。He came in with his hat pulled down～his eyes.他走進來，帽子戴得很低，幾乎遮住了眼睛。
?(2)在或向……的上方(但不接觸)(in or to a position above the top of (sb/sth))：It's hard to cook～a campfire.在篝火上燒飯不是件容易事。A big cliff hung～us.巨大的峭壁懸在我們上方。The upper story projects～the street. 樓房的上一層突出在街道上方。
?(3)橫越(from one side to the other;across)：The storm went～us.暴風(fēng)從我們頭上掠過。Luckily all the stones passed～our heads.幸而石塊都越過我們的頭頂，落到那邊去了。He escaped～the frontier.他越過邊境逃走了。
?(4)在……遠端或?qū)γ?on the far or opposite side of)：at a wedding～the herring pond 在北大西洋彼岸舉行的婚禮上;our neighbours～the way/the road 我們那些住在路對面的鄰居;Her house is～that river/that street.她的家在河/街的那邊。The sun disappeared～the horizon.太陽消失在地平線那邊。
?(5)越過……(到另一邊)(so as to cross(sth)and be on the other side)：jump～a ditch/a stream 跳過一條溝/溪;climb～a wall/a mountain 爬過一堵墻/座山;walk～a bridge過橋;He spoke to her～his shoulder.他轉(zhuǎn)過頭來跟她說話。
?(6)遍布……;在……的處((found，thrown，etc) aross (an area))(尤與all連用)：The rumour is all～Washington.這一謠言傳遍了華盛頓。The broken bottles lay all～the floor.地板上到處都是碎瓶子。They traveled all～the country/world.他們周游全國/世界。
?(7)多于，超過(時間、數(shù)量、價格等)(more than(a specified time，amount，cost，etc))：It takes～an hour to drive there.開車到那里需要一個多小時。O～a thousand people were present.出席的有1000多人。His new car has cost him a little～$10，000.他的新車花費了他一萬多美元。
?(8)(表示控制、掌握、權(quán)威、優(yōu)越等)(used to express control，command，authority，superiority，etc)：This court has no jurisdiction～the property in America.本法院對在美國的財產(chǎn)無裁判權(quán)。He reigns～a great empire.他統(tǒng)治一個大帝國。I am not in charge of the department，I have two people～me.我不是這個部門的主管人，我還有兩位上司。They don't appear to have got～their disappointment.看來他們還沒有克服失望的心情。
?(9)在……期間，貫穿于……期間，直到……過后(during;throughout(a period))：The war extended～30 years.那場戰(zhàn)爭持續(xù)了30多年。They stationed in an isolated post～winter.他們在一個孤零零的哨所里駐守了整整一個冬天。They invited us to stay～Sunday.他們請我們過了星期日再走。He had flu～Christmas.他在圣誕節(jié)期間患了流感。fall asleep～a book/one's work 看著書/干著活睡著了;They discussed a matter～dinner.他們一邊吃飯一邊討論問題。
?(10)因為;關(guān)于(because of or concerning(sth))：quarrel/fight/argue～sth 為(某事)而爭論/斗爭/辯論;brood～one's trouble 因煩惱事而心情沮喪;an argument～methods 關(guān)于方法問題的爭論;rights～the canal 有關(guān)該運河的各種權(quán)利;
?(11)通過……傳送(transmitted by(sth))：hear one another～the air 彼此用無線電通訊;speak to sb～the telephone 用電話和某人講話;I heard it～the radio.我從無線電廣播中聽到這消息。give several recitals～the network 通過廣播網(wǎng)舉行了幾場演奏會;
?over and above 此(另)外：He earns a large amount～and above his salary.他除了薪金之外，還有很大一筆收入。
?【辨異】1)over 與on、above 和beyond的區(qū)別見ABOVE;2)over與across和through的區(qū)別見ACROSS。