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Unit41.violent猛烈的；激烈的；暴力的Someyoungpeopleareinvolvedinviolentcrime.Whateverhappens,wewillneveruseviolence.violencen.暴力，猛烈violentlyadv.激烈地，粗暴地2.intime及时；最后Theywerejustintimeforthebus.Theywerejustintimetocatchthebus.You’llsucceedintime.ontime按时，准时Hewillcomeontimeeventhoughitrains.•sometime一些时间•attimes时常•killtime消磨时间•behindtime落后•allthetime一直•atatime一次•atthistime这时•atthattime那时•intimeof在....的时候•atthesametime同时•innotime立刻•inthedaytime在白天•atonetime曾经；一度•forthefirsttime第一次•fromtimetotime不时地•timeandagain反复地，time的短语3.unlikeprep.不同；不像•Unlikeherbrother,sheisdiligent.•unlike(反义词)-------•like(喜欢)-------•likely•Sb/Itislikelytodosth.•alikeadj./adv.同样地like（像）dislike(不喜欢)adj.可能的4.harmfuladj.有害的•harmn./v.损害，伤害•harmlessadj.无害的•Yoursmokingcanbeharmfultothehealthofyourchildren.•doharm/goodto=dosbharm/good•Themedicineisharmfultochildrenbutdoesnoharmtoadults.•Thereisnoharmindoingsth5.existvi.存在，有•existencen.存在；生存•existin存在于existon靠…生存•Nothingexistsonthemoonasthereisnowaterandnoair.•Theretwohugestonelionsatourschoolcompany.•comeintoexistence开始存在；•comeintobeingexist6.inone’sturn轮到某人；接着•Whenitisinmyturn,Iamtooexcitedtospeak.•It’sone’sturntodosth.•轮到/该某人做某事•taketurnstodosth•inturn依次；反之，转而•byturns轮流；交替地7.prevent/keep/stopsb.fromdoingsth.阻止某人做某事•Whatcanwedotoprevent/stopthisdisease(from)spreading?•Wemustpreventthewaterfrom(pollute).•在被动语态中，from不可省略。•保护…不受…•protect/defend…from…beingpolluted8.blockout挡住；堵住•Anuglybuildingblockedouttheviewfromthewindow.•Policeblockedoutthestreetaftertheexplosion.•blockone’sway•阻碍某人的路•giveout•pickout•makeout•setout•workout•carryout•分发•挑出；辨别出•辨别出；看出•出发；开始•解决；锻练•实施9.crashv./n.碰撞；坠落•Heexperiencedaseriouscarcrashtoday----hiscarcrashedintoanothercarandletouttheloudcrashofbreakingglass.10.cheer(sb.)up；感到振奋；使高兴Thecrowdcheeredupwhentheysawtheteamarrive.Hetookhertotheconcerttocheerherup.cheerfuladj.快乐的，高兴的Cheers!干杯！11.now(that)=since既然，由于Nowthateverybodyishere,wecanbeginthemeeting.because-----as--------for（用于逗号后，解释说明）Itmusthaverainedlastnignt,forthegroundiswet.inthat(不位于句首)Shewasfortunateinthatshehadfriendstohelpher.表示原因的连词：seeing(that)/given(that)/considering(that)鉴于;考虑到Seeing(that)heisill,heisunlikelytocome.Given/Consideringtheirinexperience/thattheyareinexperienced，they’vedoneagoodjob.12.getthehangof得知...的要领，学会...的窍门I’vebeentryingtogetthehangofthisnewtypewriter.hangout/about/aroundhanguphangonhangonto闲逛挂断电话稍等一会（holdon)紧紧抓住13.breakout(战争,争吵,疾病,火灾等)爆发；突发TheLugouqiaoIncidentbrokeoutin1937.Theaudiencebrokeoutintothunderouscheers.•breakdown出故障；身体垮掉；失败breakup（关系）破裂；打碎；解散breakin强行进入;插话breakinto闯入;突然…起来breakoff中断，breaktrough突破；breakawayfrom摆脱breaktherules/law违反规则/法律breaktherecords打破记录14.pulln./vt.拉（力）；拖；牵引力•反义词-----push•pullout离站•pullin进站停靠•pullover把（车）开到路边•pullup停车，停止•pulldown拆毁•pullthrough恢复健康watchoutfor=lookoutfor•watchout=lookout•小心•watchover•照管；保护