| 单词 | undo |
| 释义 | undo /ʌnduː/ verb [transitive] (undoes /ʌndʌz/, undid /ʌndɪd/, undone /ʌndʌn/) 1.to cancel the effect of sth 使复原；使失效；使复旧◆it's not too late to undo some of the damage. 还来得及挽回部分损失。◆undo (= an instruction on a computer that cancels the previous action) 撤销（计算机的一个还原指令）2.to open sth that is fastened, tied or wrapped 解开；拆去；放松；脱☞ undo undo verbundo ♦︎ open ♦︎ untie ♦︎ unbutton ♦︎ detach ♦︎ unfasten ♦︎ unzip ♦︎ unwrapthese words all mean to open sth that is fastened, tied or wrapped, or to separate two things that are joined together.这些词均表示打开、解开、拆开。patterns and collocations 句型和搭配◆to undo / open / untie / unwrap a parcel / package◆to undo / untie a knot / rope / string / ribbon / lace / shoelace◆to open / unwrap a present◆to undo / unbutton / unfasten / unzip a jacket / coat / fly◆to undo / unbutton / detach / unfasten a collar◆to undo / unfasten a belt / button / clip / strap / zip / buckle / catch / seat belt◆to undo / unbutton a blouse / shirt■ undo /ʌnduː/ (undid, undone) [transitive] to open sth that is fastened, tied or wrapped打开；解开；拆开◆i can't undo this zip－it seems to be stuck.我拉不开这个拉链，好像卡住了。◆he undid his jacket and threw it over a chair.他解开上衣，扔到椅子上。◆i undid the package and took out the books.我打开包裹取出书来。 opp do (sth) up → tie ■ open [transitive] to remove the lid or undo the fastening of a container, etc. in order to see or get what is inside打开，开启（盖子、封口等）◆shall i open another bottle?要不要我再开一瓶？◆he opened the letter and read it.他拆开信读了起来。■ untie /ʌntaɪ/ [transitive] to undo a knot in sth; to undo sth that is tied解开⋯的结；打开◆can you untie this knot for me?你能帮我解开这个结吗？◆he untied the rope and pushed the boat into the water.他解开缆绳，把小船推入水中。◆she untied his hands and let him go.她解开他的双手把他放走了。opp tie → tie , tie → attach ■ unbutton [transitive] to undo the buttons on a piece of clothing解开⋯的钮扣◆he unbuttoned his shirt.他解开衬衣扣子。 opp button → tie ➡ see also button → button noun 2 ■ detach /dɪtætʃ/ [transitive, intransitive] (rather formal) to remove sth from sth larger; to become separated from sth拆卸；使分开；脱离◆detach the coupon and return it as soon as possible.将赠券撕下后尽快寄回。◆one of the panels had become detached from the main structure.其中一块镶板已从主体结构上脱落。◆the skis should detach from the boot if you fall.要是你跌倒了，滑雪板应会脱离靴子。 opp attach → attach ■ unfasten [transitive] (rather formal) to open sth that is fastened解开；松开；打开◆passengers are permitted to unfasten their seat belts.乘客获允许解开安全带。 opp fasten → tie ➡ see also fastener → button noun 2 ■ unzip /ʌnzɪp/ (-pp-) [transitive, intransitive] to undo a bag or piece of clothing by unfastening the zip; (of a bag or piece of clothing) to open with a zip拉开⋯的拉链；（包或衣服）用拉链拉开ⓘ a zip (bre) or zipper (name) is a type of fastener that consists of two rows of metal or plastic teeth that you can pull together to close sth or pull apart to open it. * zip （英式英语）或 zipper （美式英语）指拉链、拉锁◆she unzipped his jacket, as if he were a child.她拉开他的上衣拉链，仿佛他是一个孩子。◆the bag unzips at the side.这个包的拉链开在侧面。 opp zip → tie ➡ see also zip , zipper → button noun 2 ■ unwrap /ʌnræp/ (-pp-) [transitive] to take off the paper, etc. that covers or protects sth拆开⋯的包装◆don't unwrap your present until your birthday.礼物要等到你生日那天才可以打开。 opp wrap ⓘ to wrap sth (up) is to cover it completely in paper or other material, for example when you are giving it as a present. * wrap sth (up) 指用纸或其他物料把东西包裹起来，如包装礼物等◆he spent the evening wrapping up the christmas presents.他花了一晚上把圣诞礼物都包了起来。◆individually wrapped chocolates独立包装的巧克力undo /ʌnduː/ (undid, undone) [transitive] to cancel the good or bad effect of sth消除，取消，废止（某事好的或不良影响）◆he undid most of the good work of the previous manager.他把前任经理的大部份功绩都毁掉了。◆it's not too late to try and undo some of the damage.想办法补救部份损失还为时不晚。◆just select 'edit' and 'undo' to cancel the previous action.只要选择“编辑”和“复原”便可撤销前一个动作。ⓘ undo is used equally often to talk about cancelling the effect of good and of bad things. * undo 既指毁掉成果，也指消除恶果，两者同样常用◆to undo the damage / harm / errors对损害／伤害／错误进行补救◆to undo the good work / years of endeavour / reforms毁掉了功绩／多年的努力／改革undo /ʌnduː/ (undid, undone) [transitive] to open sth that is fastened, tied or wrapped打开；解开；拆开◆i can't undo this zip－it seems to be stuck.我拉不开这个拉链，好像卡住了。◆he undid his jacket and threw it over a chair.他解开上衣，扔到椅子上。◆i undid the package and took out the books.我打开包裹取出书来。 opp do (sth) up → tie undo/ʌnˈdu: ||; ʌnˈdu/verb [t] (third person singular present undoes;past tense undid;past participle undone) 1. to open sth that was tied or fastened 打开；松开；解开: ◇to undo a knot/zip/button 松开结子；拉开拉链；解开扣子 2. to destroy the effect of sth that has already happened 使无效；取消；消除: ◇his mistake has undone all our good work. 我们出色的工作全因他的错误而付诸东流了。 undosee ⇨ fasten/unfasten 2 ⇨ tie/untie 4 un·do /ʌn`du; ʌnˈduː/v [t] undid /-`dɪd; -ˈdɪd/ , undone /-`dʌn; -ˈdʌn/ , undoing 1. to untie or unfasten something that is tied or fastened 解开，松开，打开［某物］:◇he undid his shoelaces. 他解开鞋带。◇have you undone all the screws? 你把所有螺丝都拧掉了吗？ 2. to get rid of all the effects of something 消除…的效果:◇there's no way of undoing the damage done to his reputation. 无法消除对他名誉的损害。 ☞ undo |
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