Youcan'tdothesechemistryexperimentsalldaylong.Youcertainlyneedachangeofpace.
2.afarcryfrom相距甚远
Thepublishedbookisfarcryfromtheearlymanuscript.
3.keep(one's)eyeontheball专注于某件事
IgraduatedinjustthreeyearsbecauseIwasabletokeepmyeyeontheballandprioritizemystudiesaboveallelse.
Itisonlyamatteroftime.
Ifyouneedmyhelp.doletmeknow.JustrememberIamaphonecallaway.
6.awhileback不久以前
along一直
Iknewitallalong.
8.anythingbut绝对不
Iwasanythingbuthappyaboutgoing.
9.accountfor导致，解释
Howdoyouaccountforit
10.afterall到底
A:I'vejustseentheX-raysandyourteethlookjustfine.
B:Isee.Thenthereisnothingtoworryaboutafterall.
icto对……过敏
Ohman!Somethinginthisroomismakingmyeyesitch,Imustbeallergictosomething.
12.atsb'sservice愿为某人服务
Iamatyourserviceatanytime.
13.aroundtheclock24小时不停
Marthastudiedaroundtheclockformanagementexam.
14.asfarasIknow就我所知
15.athomewith对…..很熟悉
Sheisathomewithproblemslikethis.
16.backout
1)退出
A:Wasn'tBertsupposedtosingtonight
B:Yes.buthebackedoutatlastminute.
2)不履行
Shefinallybackedoutofherpromise.
17.becutoutfor天生适合
I'mnotcutouttobeahero.
18.beabsorbedin全神贯注于，专心致志于
Shehasbeenabsorbedinahorrorfiction.Ican'ttearheraway.
19.beaddictedto对……上瘾
Shehasbeenaddictedtodrugsforyears.
20.beattachedto对……有感情
A:I'mamazedthatyouarestilldrivingthatoldcarofyours.Ithoughtyouwouldhavegottenridofityearsago.
B:ItrunswellandI'veactuallybeenquiteattachedtoit.
up
1)累积
Thesubwayisrunningbehindschedule.andtrafficisbackedupforblocks.Idon'tknowifwe'llmakethe6:30show.
2)支持
I'llbackitup.
22.beboundfor准备到…去，开往…，驶向…
ThebusisboundforNewEngland.
23.be(feel)myself找到自我
I'mfeelingmyselfagain.
24.beburnedup生气
Shewasreallyburnedupatthenews.
25.behardupfor缺少某事物，需要某事物
I'mhardupforclothes,butIhavealotofbooks.
26.beheadandshouldersabove好许多
Incalculus,Joeisheadandshouldersabovehisclassmates.
27.beinthedark蒙在鼓里
A:Doyouhaveanyideawhathisnoticeisabout
B:I'masinthedarkasyouare.
28.bestuck卡住了
Ican'tgetthiswindowopen.It'sstuck.
29.biteoffmorethanonecanchew.贪多嚼不烂
A:Ihearyou'retakinganadvancedphysicscoursethissemester.
B:IthinkI'vebittenoffmorethanIcanchew.
30.breaknewground有了新的突破
Hisarchitecturaldesignbrokenewgroundinthefield.
32.busysignal占线
I'vebeencallingDavidforthepasthalfhour,butIkeepgettingabusysignal.
nyouandme你我之间，保密
34.callfor
Tomjustcalledforyou.
B.预报：
Theforecastcallsforheavyrainagaintonight.Aren'tyougladwe'llbegettingawayfromthisforaweek
C需要：
It'sprobablyinthenewpartoftown.We'llhavetocallfordirections.
35.callitaday就此结束
Nowwe'vegonethroughallthenumbersonourlistnow,soIguesswecancallitaday.
36.cashthecheck兑现支票
Haveyoursistercashedherpaycheck
37.clearoff赶紧离开
It'sabouttimeweclearoffthedesk.
38.comedown(成本、水平或数量)下降，降低;落下
Theheavyrainiscomingdown.
39.comeinfirstintherace比赛第一名
NotonlydidJillcomeinfirstintheracebutshealsohadherbestrunningtimeoftheseason.
40.comewhatmay无论如何;不管发生什么
We'llpickyouuptomorrowateight,comewhatmay.
41.costanarmandaleg花费极大;价格昂贵
A:DidyouseethediamondringBillgavetoLinda
B:Isuredid.Itmusthavecosthimanarmandaleg.
42.cutitout停止!
Itoldyoutocutitout.
43.becutoutfor不是做……的料
Dr.Hamiltondoesn'tfeelLarryiscutoutforthemedicalprofession.
mentchair系主任
Ididn'twritethatmemotothedepartmentchair.
cheap非常便宜
A:You'vealreadyfurnishedyourapartment
B:I'vefoundsomeusedfurniturethatwasdirtcheap.
46.dowith用…...凑合;dowithout没有……也行
Youcandowithyourgirlfriend.
Youcandowithoutyourgirlfriend
47.dogtired特别累，同义：rundown;wornout;outofsteam
I'mdogtiredthesedays.I'mworkingonsevenarticles.
48.benefitconcert慈善音乐会
Weneedtoleteveryoneknowaboutthebenefitconcert,butwedon'thavemuchmoneyforadvertising.
49.drivesomebodyupthewall让某人发疯;同义：drivesomebodyoutofone'smind
Thesoundofallthatrafficisdrivingmeoutofmymind.
50.fallbackon求助于，转而依靠
A:WereyouabletounderstandthatFrenchnovelwithoutanyhelpfromtheteacher
B:Ididprettywell.butIhadtofallbackonmydictionaryoccasionally.