· switch· v. [swɪtʃ] ( switches; switched; switching )· · 双解释义· vt. & vi. 转变 change or exchange· 基本要点 ·1.switch用作名词时意思是“开关”“转换”,用作动词时意思是“拧开关”“转变”“转换”,指通过某种措施或办法使某事物改变或改换其原有的位置、名称或运行方式等,引申可表示“挥动某物打某人”“打开”2.switch可用作及物动词,也可用作不及物动词用作及物动词时,接名词或代词作宾语,也可接以动词不定式充当补足语的复合宾语·· 词汇搭配 · ～+副词· switch away 拿回来· switch off 关,截断· switch off the radio 关掉收音机· switch on 开,接通,使入迷· switch on the light 开灯· switch over 换位置,转换· switch round 转过来· switch through 转接· ～+副词+介词· switch back to 回复到· switch off to another line of thought 改变想法〔思路〕· switch out of 从…抢走· switch over to offensive 转入进攻· ～+介词· switch from 从…转变· switch from English into Russian 由英语改为俄语· switch into 变为· switch to 转向· switch to the metric system 转换成公制· switch one's support to the other candidate 转向支持另一候选人· 常用短语 ·switch back(v.+adv.)改而恢复原办法 change one's plans so as to return (to someone or sth else)▲switch backThe system doesn't work too well, so we may have to switch back.这套办法不怎么好,所以我们可能还得恢复原来的办法。
··switch from(v.+prep.)使…转变〔转移〕 (cause to) move or change from (someone or sth) (to someone or sth else)▲switch from sth to sth In Japan,Lu Hsun switched from medicine to literature.在日本,鲁迅弃医从文··switch off(v.+adv.)1.关闭 turn off by means of a switch▲switch sth⇔offDon't forget to switch off the lights when you leave the classroom.离开教室时别忘了关灯He switched off the light as there was no one in the room.他把灯关了,因为房里没有人When the clock struck twelve,I switched off TV and went to bed.时钟敲响十二点时,我关了电视上床睡觉Adden switched off the radio and started to concentrate on his homework.阿顿关掉收音机聚精会神地做功课。
◇ 用于be ～ed结构Make sure the current is switched off at the mains before you leave on holiday.你出去度假前一定要把总电源切断2.(使)没兴趣 (cause to) make sb dull, lifeless, unresponsive▲switch offThe students started to switch off after the first speech.学生们听完第一个人发言后就开始心不在焉了The lecture was so boring that I switched off very soon.讲座非常枯燥,刚坐了一会儿我就开小差了The boy often switches off in class so that he never gets good mark in exam.那个男孩上课经常走神,所以从来没得过好成绩▲switch sb⇔offThe party was so dull that it switched him off.聚会单调乏味,使他感到很扫兴Parties switched me on, but they seemed to switch her off.聚会使我兴奋,但似乎使她扫兴。
3.使…停止谈话 stop (someone) talking▲switch sb⇔offSwitch that fellow off!别让那个家伙再讲下去!··switch on(v.+adv.)▲switch sb/sth⇔on1.打开,开动,启动 cause (someone) to start working; start workingShe switched on the light.她打开了电灯Switch on the TV.打开电视Let's switch on the tape-recorder and enjoy music for a while.让我们打开录音机,欣赏一会儿音乐吧First you should switch the machine on.你得先把机器打开2.(使)感兴趣,兴奋 (cause to) become interested or excitedThese parties switch him on, but they seemed to switch her off.这些社交聚会使他兴致勃勃,但似乎使她扫兴That music really switches me on.那音乐的确使我入迷。
··switch out(v.+adv.)关上 cause (an electric light) to stop burning▲switch sth⇔outPlease switch out all lights as you leave the building.离开这所房子时,请把所有的灯都关上··switch over(v.+adv.)1.转换电流 change the current in (an electrical machine)▲switch overYou can switch over from one circuit to another without any difficulty. 你可以毫无困难地从一个电路转换到另一个电路▲switch sth⇔over◇ 用于be ～ed结构The power machine will be switched over at midnight.发电机午夜转换电流2.(使)交换位置 (cause to) exchange places▲switch overWe switch over?I'd like to sit in the sun, too.咱们换换位置好吗?我也想晒晒太阳。
▲switch sth⇔overIf you switch the words over, the sentence sounds better.如果你把这几个词调换一下位置,这句子听起来就好多了3.(使)变换,转换 (cause to) make a complete change (to sth else)▲switch over to sth In 1971 Britain switched over to decimal money.英国在1971年把钱币改成了十进位Many factories are switching over to a shorter working week.很多工厂都在减少每周的工作日数We are switching over to a new technique next year.我们将在明年改用一种新技术▲switch sth⇔over to sth The chairman decided to switch the factory over to bicycle production.董事长决定该厂改产自行车··switch round(v.+adv.)调换位置 (cause to) exchange place▲switch roundCan we switch round?I'd like to sit in the sun, too.咱们换换位置好吗?我想晒晒太阳。
If you switch the words round, the sentence sounds better.你把这几个词换换位置,这句子听起来就好多了··switch to(v.+prep.)转换 (cause to) move or change (from someone or sth) to (someone or sth else)▲switch to sth/v-ingHe got tired of teaching and switched to writing stories.他厌倦了教书,于是改行写小说We used to have coal fires, but now we have switched to gas.我们过去烧煤取暖,但现在已改用煤气I don't like this TV programme, let's switch to another one.我不喜欢这个电视节目,换个频道看看吧I would like now to switch to quite a different subject.现在我想换一个完全不同的话题▲switch sb/sth to sb/sth Don't hang up, please. I'll switch you to my boss.请别挂断。
我这就给你接到我的上司那边去He switched the control-lever to “off” position.他把控制杆拨到“关”的位置Let's switch the discussion to another topic.咱们换个话题讨论吧They switched the discussion to an argument.他们把讨论变成了争论It is time to switch the talks to a different subject.该讨论另一个主题了They switched the conversation to a less embarrassing subject. 他们把谈话转向了不太尴尬。