那架飛機(jī)的升空動(dòng)力不足.

噴氣式飛機(jī)正要起飛時(shí)出了事故.

起飛許可

首先解開鈕扣，然后脫掉襯衣！

take off (a) (of an aeroplane, a helicopter, etc) leave the ground and begin to fly （指飛機(jī)等）起飛 The plane took off despite the fog. 盡管有霧, 飛機(jī)仍照常起飛. (b) (infml 口) leave hurriedly or suddenly 匆忙離去; 突然離去 He took off for the station at a run. 他匆忙向車站跑去. When he saw the police coming he took off in the opposite direction. 他一看見警察來了, 轉(zhuǎn)身就溜了. (c) (infml 口) (of an idea, a product, etc) suddenly become successful or popular; (of sales of a product) rise very quickly （指觀念、 產(chǎn)品等）突然大受歡迎; （指產(chǎn)品的銷售量）急升 The new dictionary has really taken off. 這部新詞典極受歡迎. Sales of home computers have taken off in recent years. 家庭電腦的銷售量近年來上升很快. take oneself off (to...) (infml 口) leave a place (in order to reach the specified destination) 離開某地（去某處） It's time I took myself off. 現(xiàn)在我該走了. She's taken herself off to the country for a quiet weekend. 她到鄉(xiāng)村去過個(gè)清靜的周末. take sb off imitate or mimic sb in an amusing or satirical way （以詼諧或嘲諷的方式）模仿或假扮某人 She takes off the Prime Minister to perfection. 她模仿首相的樣子維妙維肖. take sth off (a) remove (an item of clothing) from one's body （從身上）除掉, 脫下（衣物等） take off one's coat, hat, shoes, skirt, trousers, etc 脫大衣、 帽、 鞋、 裙子、 褲子等 I wish you'd take (ie shave) off that beard! 我希望你把胡子剃掉! (b) amputate (a part of the body) 切除（身體的一部分） His leg had to be taken off above the knee. 他的一條腿從膝蓋以上截去了. (c) no longer perform (a play, etc); withdraw sth 不再上演（戲劇等）; 收回或撤銷某物 The show had to be taken off because of poor audiences. 因觀眾太少而取消演出. (d) (often passive 常用於被動(dòng)語態(tài)) remove or withdraw (a bus, train, etc) from service 取消（公共汽車、 火車等）的服務(wù) The 7 am express to Bristol will be taken off next month. 上午7時(shí)開往布里斯托爾的快車將於下月停駛. (e) have (the specified period of time) as a holiday or break from work （某段時(shí)間）休假, 休息 take the day/morning/afternoon off 休息一天[一上午/一下午] I'm taking next week off (work). 我下周要休假. take sb off (sth) (a) rescue sb from (a ship) 將某人從（船）上救出 The crew were taken off (the wrecked vessel) by helicopter. 船員被直升飛機(jī)（從遇難的船中）救出. (b) (often passive 常用於被動(dòng)語態(tài)) remove sb from (a job, position, etc) 使某人離開（工作、 職位等）; 調(diào)離 The officer leading the inquiry has been taken off the case. 主持調(diào)查該事的官員已被調(diào)離. take sth off (sth) (a) remove or detach sth from (a surface or an edge) 使某物離開或脫離（一表面或邊緣） Would you mind taking your foot off my hand? 你踩著我的手了, 請(qǐng)你把腳抬一下行嗎? take the lid off a jar 打開廣口瓶的蓋 The heat has taken the paint off the doors. 門上的油漆受熱而剝落. (b) remove (an item) from a menu （從菜單上）刪除（一項(xiàng)） The mixed grill has been taken off (the menu). 烤雜拌這道菜已（從菜單上）取消了. take sth off sth (a) deduct (an amount of money) from sth （從某事物中）減去（一筆錢） take 10 pence a gallon off the price of petrol 汽油的價(jià)格每加侖減去10便士. (b) cause (a product) to be no longer on sale 使（產(chǎn)品）停止銷售 Doctors recommended that the drug should be taken off the market. 醫(yī)生建議市面上應(yīng)停止出售該類藥物.