新高考教材高中英語必修2-unit2-Wildlife-Protection-Section-1重點(diǎn)詞匯短語語法

Unit2WildlifeProtectionSection1重點(diǎn)詞匯短語句型1.endup用法詳解（1）endup（以......）結(jié)束，后接v-ing形式或者介詞短語。endupinprison/failure最終會(huì)坐牢/失敗endupwith......以......而結(jié)束......IendeduptellinghimeverythingalthoughItriednotto.雖然我試圖不說，但是結(jié)果我還是把一切都告訴他了。Thestudentsendeduptheirclassmeetingwithachorussinging.學(xué)生們以合唱結(jié)束了班會(huì)。endupassb./sth.最終成為/變得，as表示“作為，當(dāng)”含義。Inspiteofthepeople’sopinions，sheendedupasthewinner.盡管眾說紛紜，最后她還是成了勝利者。endup+形容詞，表示“最終處于......的狀態(tài)”。Ifhecarriesondrivinglikethat，he’llendupdead.如果他繼續(xù)那樣開車，總有一天會(huì)把命丟掉。endupnowhere一事無成Ifyoudon'tworkhard，you’llendupnowhere.如果不努力工作，你將一事無成。歸納拓展attheendoftheday（俚語）最終，到頭來atanend結(jié)束attheendof在......的末端/結(jié)束時(shí)intheend最后；最終make（both）endsmeet使收支相抵；勉強(qiáng)維持生計(jì)onend豎著；直立著；連續(xù)地putanendto結(jié)束......cometoanend結(jié)束2.dieout用法詳解（1）滅絕；絕種Howdidthedinosaursdieout？恐龍是如何滅絕的？（習(xí)俗等）逐漸消失Manyoldcustomsaregraduallydyingout.許多習(xí)俗都在逐漸消失。（火）逐漸熄滅；（風(fēng)等）逐漸停止Oncethefirehasdiedout，therescueteamwillmovein.一旦大火熄滅，救援隊(duì)就會(huì)馬上進(jìn)入。歸納拓展dieaway（聲音等）逐漸減弱；逐漸模糊；逐漸消失diedown（火，興奮等）逐漸變?nèi)?；逐漸平息dieoff相繼死去；先后死去diefor為......而死bedyingtodosth.渴望做某事alaming用法詳解alarmingadj.使人驚恐的；令人驚慌的；引起恐慌的atanalarmingrate/speed以驚人的速度Therainforestsaredisappearingatanalarmingrate.雨林正在以驚人的速度消失。Thisideaseemstobecomelessalarming.這個(gè)想法似乎就變得不那么可怕了。詞語積累alarmn.驚恐；驚慌；警報(bào)；鬧鐘vt.使驚恐；使害怕inalarm驚恐地soundthealarm發(fā)出警報(bào)alarmbells警鈴alarmedadj.驚恐的，驚慌的bealarmedat/by對(duì)......感到驚恐“Whathaveyoudone？”Elliecriedinalarm.“你都干了些什么？”艾莉驚恐地喊道。Thealarmwentoffat7o’clock.鬧鐘在7點(diǎn)鐘響了。Weweremuchalarmedbythefireintheforest.森林失火使我們大為驚慌。rate用法詳解n.【C】速度；進(jìn)度，常與介詞at搭配，相當(dāng)于speed。Mostpeoplewalkatanaveragerateof5kilmetersanhour.大多數(shù)人步行的平均速度為每小時(shí)5千米。n.【C】比率；率birth/deathrate出生率/死亡率ratesofexchange/interest匯率/利率Therehasbeenagradualincreaseinthebirthrate.出生率在逐漸增長。n.【C】價(jià)格；費(fèi)用Whatistheadvertisingrateinyournewspaper？你們報(bào)紙的廣告價(jià)格式多少？vt.評(píng)估；評(píng)價(jià)；估價(jià)rate......as把......看作rate......among......認(rèn)為/把......算作......之一Theshowwasratedasasuccessbycriticsandaudiences.評(píng)論家和觀眾都認(rèn)為這次演出式成功的。歸納拓展atanyrate無論如何，不管怎樣mass用法詳解n.【C】團(tuán)；塊；堆a(bǔ)massof一團(tuán)/塊/堆的......massesof成團(tuán)/塊/堆的......；大量的Theskywasfullofdarkmassesofclouds.天空中烏云密布。Thereweremassesofpeopleintheshopsyesterday.昨天商店里人如潮涌。n.群眾；平民百姓，常用復(fù)數(shù)形式。TheTVprogrammehasbroughtsciencetothemasses.電視節(jié)目已經(jīng)把科學(xué)帶給了平民百姓。n.【U】（technical術(shù)語）質(zhì)量Itishardforscientiststocalculatethemasssofaplanet.科學(xué)家計(jì)算一個(gè)行星的質(zhì)量是很難的。特別注意massesof做主語時(shí)，謂語動(dòng)詞的單復(fù)數(shù)由of后面名詞的數(shù)決定。Thereismassesofhouseworkwaitingforher.有許多家務(wù)等著她。Therearemassesofstudentswaitingoutsidetheschool.學(xué)校外有很多學(xué)生在等著。aware用法詳解adj.知道；意識(shí)到；明白；發(fā)覺，其后常與of搭配。beawareof明白/意識(shí)到makesb.awareof使某人明白/意識(shí)到......AsfarasI’maware......據(jù)我所知......Hewaswellawareoftheproblem.他很清楚這個(gè)問題。Everybodyshouldbemadeawareoftherisksinvolved.應(yīng)該讓人人都知道其中的風(fēng)險(xiǎn)。Iwasawarethatshewastrembling.我察覺到她在發(fā)抖。adj.對(duì)......有興趣的；有......意識(shí)的，常與副詞連用。Youngpeopleareveryenvironmentallyaware.年輕人的環(huán)保意識(shí)很強(qiáng)。詞語積累awarenessn.意識(shí)raisetheawarenessofsth.加強(qiáng)對(duì)某事物的意識(shí)unawareadj.不知道的；沒意識(shí)到的；未察覺的beunawareof不知道......endangered用法詳解endangeredadj.瀕危的Theseendangeredgentlegiantsarehighlysocialanimals.這些瀕臨滅絕的，性情溫順的大型動(dòng)物屬于高度群居的動(dòng)物。詞語積累endangervt.使遭危險(xiǎn)；危機(jī)；危害，后面接名詞或代詞。Developmentoftheareawouldendangerwildlife.開發(fā)這一地區(qū)將會(huì)危及野生動(dòng)物。dangern.危險(xiǎn)indanger（of）在危險(xiǎn)中，有......的危險(xiǎn)outofdanger脫離危險(xiǎn)beadangerto對(duì)......是危害，威脅dangerousadj.危險(xiǎn)的average用法詳解n.平均數(shù)，后常接介詞of。anaverageof......的平均數(shù)Parentsspendanaverageof220dollarsayearontoysfortheirchildren.父母為了孩子買玩具的花費(fèi)平均每年為220美元。n.平均水平；基本上；大體上onaverage平均；基本上；大體上above/belowaverage高于/低于平均水平About400peopleayeardieofthisdiseaseonaverage.平均每年有大約400人死于這種疾病。Theseexamresultsareaboveaverage.這些考試成績高于平均水平。adj.平均的；普通的，一般的，中等的Theaverageageoftheboysinthisclassisfifteen.本班男生的平均年齡是15歲。Iwasjustanaveragestudent.我只是一個(gè)普通的學(xué)生。makeprogress用法詳解makeprogress進(jìn)步；進(jìn)展，后常接介詞in，表示“在......方面有進(jìn)步/進(jìn)展”，progress是不可數(shù)名詞。makegreat/rapidprogressin（doing）sth.在（做）......方面取得大/迅速的進(jìn)步Themedicalcommunitycntinuestomakeprogressinthefightagainstcancer.醫(yī)學(xué)界在抗癌斗爭中不斷取得進(jìn)步。makeprogress前進(jìn)；行進(jìn)Therewasn’tmuchtrafficsowemadegoodprogress.來往車輛不多，所以我們開得很快。歸納拓展inprogress在進(jìn)行中（2）progressvi.行進(jìn)；進(jìn)展；（時(shí)間上）推移；流逝progressslowly緩慢行進(jìn)Theweatherbecamecolderasthedayprogressed.天色越晚，天氣就越冷。特別注意表示“在......方面有進(jìn)步”的短語：makeadvancesinconcern用法詳解vt.&vi.讓（某人）擔(dān)憂；關(guān)心；關(guān)注beconcernedabout......對(duì)......關(guān)心/擔(dān)憂concernoneselfwith/over/about關(guān)心；擔(dān)憂......Itconcernsmethatyounolongerseemtocare.你似乎不再在乎，這令我擔(dān)憂。Sheisalwaysconcerningherselfabouthim.她一直在關(guān)心他。vt.設(shè)計(jì)；與......有關(guān)beconcernedwith與......有關(guān)beconcernedinsth.卷入；與......有牽連；參與（=beinvolvedin）Thefilmisconcernedwithunemployment.這個(gè)電影是有關(guān)失業(yè)問題的。Morethanonepersonhasbeenconcernedinthisaffair.不止一個(gè)人卷入了此事。n.（尤其指許多人共同的）擔(dān)心，憂慮，常與介詞over，about，for連用Thereportexpressedconcernovercontinuinghighunemployment.報(bào)告表達(dá)了對(duì)失業(yè)率居高不下的憂慮。n.關(guān)愛，關(guān)心Parents’concernfortheirchildrenisunselfish.父母對(duì)子女的關(guān)愛是無私的。n.【C】（對(duì)人，組織）重要的事情Thegovernment’sprimaryconcernistoreducecrime.政府的頭等大事是減少犯罪。詞語積累concernedadj.關(guān)心的，擔(dān)憂的as/sofarassb./sth.Isconcerned就......而言concerningprep.關(guān)于，常用于名詞或者代詞后adapt用法詳解vt.&vi.（使）適應(yīng)，常與介詞to連用，to后接名詞，代詞或動(dòng)名詞adapt（oneself）to（使）適應(yīng)Ittookhimawhiletoadapthimselftolivinginhisnewsurroundings.他過了好一陣才適應(yīng)在新環(huán)境中生活。vt.改編；改寫adaptsth.forsth.把......改編成......adaptsth.Formsth.根據(jù)......改編......Heisgoingtoadapthisplayfortelevision.他打算把自己的劇本改編成電視劇。ThisplayisadaptedformanovelwrittenbyDack.這個(gè)劇本是根據(jù)達(dá)克寫的一部小說改編的。vt.使適合（新用途，新情況）；改造，其后接foruse。Mostofthesetoolshavebeenspeciallyadaptedforusebydisabledpeople.這些工具大多數(shù)已經(jīng)過特別改裝，供殘疾人使用。詞語積累adaptationn.改編本；改寫本；適應(yīng)adaptableadj.有適應(yīng)能力的；能適應(yīng)的易混淆辨析adapt/adopt易混淆詞adaptvt.&vi.（使）適應(yīng)，與介詞to連用vt.改編，與介詞for或from連用adoptvt.收養(yǎng)adoptachild收養(yǎng)一個(gè)小孩vt.采用；采取measure用法詳解n.措施；方法takemeasurestodosth.采取措施做某事（=takestepstodosth.）Wemusttakepreventivemeasurestoreducecrimeinthearea.我們必須采取預(yù)防措施來減少這個(gè)地區(qū)的犯罪。n.度量單位；尺寸，分量make......tomeasure定做（衣服）takesb.’smeasure給某人量尺寸Themetreisameasureoflength.米是長度單位。Doyoumakesuitstomeasure？你定做西裝嗎？vt.測量，通常是表示人的名詞或代詞做主語。Hemeasuredtheheightofthecupboard.他量了碗柜的高度。vt.量度為，通常是表示物的名詞作主語，不用被動(dòng)語態(tài)。Theroommeasures25feetacross.這個(gè)房間寬25英尺。vt.權(quán)衡，使相比較，常與介詞against連用。measure......against......權(quán)衡......與......（=weigh......against......）Imeasuredthebenefitsoftheplanagainsttherisksinvolved.我認(rèn)真權(quán)衡了這個(gè)計(jì)劃的有點(diǎn)和有關(guān)的風(fēng)險(xiǎn)。詞語積累weightn.重量weightyadj.重的；沉重的weightlessadj.無重量的；失重的pressure用法詳解n.【U】壓，擠壓，不可數(shù)名詞。applypressureto壓住/按住Thenurseappliedpressuretohisarmtostopthebleeding.護(hù)士壓住他的胳膊止血。n.【U】氣壓Abandofhigh/lowpressureismovingacrossthecountry.一度高/低氣壓正經(jīng)過這個(gè)國家。n.【U】壓力；要求underpressure在壓力下，承受壓力putpressureonsb.（todosth.）強(qiáng)迫，促使，勸說Teenagersmayfinditdifficulttoresistpeerpressure.青少年可能覺得很難抗拒同齡人的壓力。Theteamperformswellunderpressure.這個(gè)隊(duì)在壓力下表現(xiàn)良好。Hemayhaveputpressureonhertoagree.他可能向她施加了壓力，迫使她同意。詞語積累pressvt.壓，擠，推，施加壓力presssb.todosth.催促某人做某事reserve用法詳解n.【C】（動(dòng)植物）保護(hù)區(qū)；自然保護(hù)區(qū)awildlifereserve野生動(dòng)植物保護(hù)區(qū)Areyouforbuildinghighwaysinawildlifereserve?你贊成在自然保護(hù)區(qū)修公路嗎？n.儲(chǔ)備（量）；儲(chǔ)藏（量），常用復(fù)數(shù)形式largeoilandgasreserves大量的石油和天然氣貯藏量Hediscoveredunexpectedreservesofstrength.他出乎意料地發(fā)現(xiàn)還有體力。vt.預(yù)定，預(yù)約（座位，席位，房間等），常與介詞for連用reserveaticket訂票（=bookaticket）I’dliketoreserveatableforthreeforeighto’clock.我想預(yù)定八點(diǎn)鐘供三人用餐的桌位。vt.保留，貯備，常與介詞for連用Theseseatsarereservedforspecialguests.這些座位是留給貴賓的。vt.擁有，保持，保留（某種權(quán)利）Themanagementreservestherighttorefuseadmission.管理部門有權(quán)拒絕接受。詞語積累reservationn.預(yù)定；預(yù)約makeareservationfor預(yù)定makeout用法詳解看清；聽清；分清；辨認(rèn)清楚，相當(dāng)于figureout。Icouldjustmakeoutafigureinthedarkness.黑暗中我只看出了一個(gè)人的輪廓。開具，填寫（表格或文件）Hemadeoutachequefor100euros.他開了一張100歐元的支票。理解Shewasastrangesortofperson；Icouldn’tmakeherout.她這個(gè)人有些古怪，我不能理解她。歸納拓展makefor向......移動(dòng)，促成makeoff（with）（攜帶某物）匆忙離開/倉皇逃跑makeup化妝；組成；彌補(bǔ)；和好；編造makeover......tosb.把......給予/轉(zhuǎn)讓某人observe用法詳解vt.注意到；觀察到，后接不帶to不定式，現(xiàn)在分詞或過去分詞做賓補(bǔ)。observesb.do/doingsth.觀察某人做了/正在做某事beovservedtodo/doingsth.被看見做了/正在做某事Thepoliceobservedamanenterthebank.警察注意到一個(gè)男人走進(jìn)了銀行。Hewasobservedtofollowherclosely.有人看到他緊跟著她。vt.說話；評(píng)論，后接that從句。Sheovservedthatitwasgettinglate.他說天色晚了。vt.遵守（規(guī)則/法律等），相當(dāng)于obey，后接名詞作賓語。Willtherebelsobservetheceasefire？叛亂者會(huì)遵守停火協(xié)議嗎？Thecrowdobservedaminute’ssilenceinmemoryofthosewhohaddied.眾人為死者默哀一分鐘。vt.慶祝；慶賀，相當(dāng)于celebrate。DotheyobseveChristmas？他們過不過來圣誕節(jié)？詞語積累observationn.觀察observern.觀察者；觀察員remind用法詳解vt.提醒；使想起，常與介詞of連用remindsb.ofsth.提醒某人某事，使某人想起某事remindsb.todosth.提醒某人做某事remindsb.+that/what/how從句提醒某人......I’msorry；I’veforgottenyourname.Canyouremindme？對(duì)不起，我忘了你的名字。提醒我一下好嗎？Thisstoryremindsmeofmychildhood.這個(gè)故事讓我想起了我的童年。Besuretoremindhertocomebackearly.一定要提醒她早點(diǎn)兒回來。SheremindedmethatIhadn’twrittentomother.她提醒我還沒有給母親寫信。詞語積累remindern.提示；使人回憶起某物的事物serveasareminderof提醒......shelter用法詳解n.【U】居所；住處Humanbeingsneedfood，clothingandshelter.人類有衣，食，住的需求。n.遮蔽，庇護(hù)，避難，常與from連用。Peopleweredesperatelyseekingshelterformthegunfire.人們拼命地找地方躲避炮火。n.【C】（無家可歸者或受虐待者的）收容所，庇護(hù)所anightshelterforthehomeless無家可歸者夜間收容所Shevolunteersatananimalshelter.在動(dòng)物庇護(hù)中心做志愿工作。vt.保護(hù)；掩蔽；常與from連用。shelter......from保護(hù)......免于Treesshelterthehousefromthewind.樹給房子擋住了風(fēng)。vi.躲避（風(fēng)雨或危險(xiǎn)）shelterfrom躲避（=hidefrom）Weshelteredfromtheraininadoorway.我們一直在門廊里避雨。profit用法詳解n.【C】利潤；收益，盈利，常與動(dòng)詞earn，gain，get，make搭配。makeaprofit賺錢；賺取利潤thenetprofit凈收益Thecompanymadeahealthyprofitonthedeal.公司在這筆生意中獲利頗豐。Weshouldbeabletosellthehouseataprofit.我們賣掉在這座房子應(yīng)該可以獲利。vt.獲益；得到好處；對(duì)......有用（或有益）profitby/from從......中獲益（=benefitfrom）Farmersareprofitingfromthenewpolicy.新政策使農(nóng)民受益。Wetriedtoprofitbyourmistakes.我們努力從錯(cuò)誤中吸取教訓(xùn)。詞語積累profitableadj.有利潤的；贏利的profitablyadv.有利地，有益地watchover用法詳解watchover照管；監(jiān)督；保護(hù)Heisveryill，andneedssomeonetowatchoverhimallthetime.他的病很重，需要有人一直照顧他。Iwatchoverthisplaceeverydayjusttocatchpeoplelikeyou.我每天看管這個(gè)地方就是為了抓住你這樣的人。Isthatwhyyouwatchovertheneighbors？那就是你監(jiān)視另據(jù)們的原因？歸納拓展watchfor觀察等待（某人出現(xiàn)或發(fā)生某事）watchout小心；留神，注意watchoutfor密切注意；留意watchyourmouth/tongue說話當(dāng)心mind/watchyourstep走路小心；言行小心謹(jǐn)慎attack用法詳解n.進(jìn)攻，攻擊，后面接介詞on或against。launch/makeanattack發(fā)起/進(jìn)行攻擊underattack受到攻擊Thepolicecameunderatackfromangrycrowds.警察遭到憤怒的人群的襲擊。n.【C】（尤其常發(fā)疾病的）發(fā)作，侵襲sufferaheartattack心臟病發(fā)作Thewomenwhoatethemostfishwereleastlikelytpsufferaheartattackordieofheartproblems.那些吃魚數(shù)量最多的女性，心臟病發(fā)作或者死于心臟病的可能性最小vt.襲擊；攻擊Themanattackedhimwithaknife.那個(gè)男人持刀向他行兇。vt.抨擊；非難attack......for（doing）......因......而抨擊......（=criticize......for......）Shehasbeenattackedforignoringherownpartymembers.她因漠視本黨成員而受到非難。vt.（疾病，昆蟲等）攻擊，侵襲，破壞Itisreportedthatthisdiseaseattacksthecentralnervoussystem.據(jù)報(bào)道，這種疾病破壞中樞神經(jīng)系統(tǒng)。詞語積累attackern.襲擊者recover用法詳解vi.恢復(fù)健康；康復(fù)；痊愈；恢復(fù)常態(tài)，后接介詞from。recoverfrom從......中恢復(fù)過來He’sstillrecoveringfromhisoperation.手術(shù)后，他仍在恢復(fù)之中。Itcantakemanyyearstorecoverfromthedeathofalovedone.從失去親人的痛苦中恢復(fù)過來可能要花很多年。vt.找回；尋回；找到recover......from......從......找回......Thepoliceeventuallyrecoveredthesolenpaintings.警方最終追回了失竊的油畫。vt.恢復(fù)（意識(shí)，神志或身體狀態(tài)）recoversight恢復(fù)視力recoveroneself鎮(zhèn)定下來（=calmdown）Shesoonrecoveredherselfandstoppedcrying.不一會(huì)兒，她冷靜下來，不再哭了。詞語積累recoveryn.恢復(fù)健康；康復(fù)；痊愈；恢復(fù)常態(tài)uncovervt.揭開蓋子；揭露；揭發(fā)discovervt.發(fā)現(xiàn)remove用法詳解vt.移開；拿開；去掉；從......機(jī)構(gòu)開除remove......from......從......移除/開除......Heremovedhishandfromhershoulder.他將手從她的肩膀上拿開。Threechildrenwereremovedfromtheschoolfortheirbadbehaviour.三個(gè)孩子因行為不檢被學(xué)校開除。vt.脫去（衣服等）；摘下（=takeoff）Sheremovedherglassesandrubberedhereyes.她摘下眼鏡，揉了揉眼睛。vt.排除（污跡，不愉快的事物等）；使消失removeobstacles排除障礙Thenewsremovedanydoubtsaboutthecompany’sfuture.這個(gè)消息消除了一切有管公司未來的疑慮。vt.免除，解除（職務(wù)等），常與介詞from連用。Theyremovedhimfromhisposition.他們撤銷了他的職務(wù)。vt.搬家，遷居，移居，遷移removeto搬到......Iamgoingtoremovetoanewhouse.我將搬到一棟新房子里去。詞語積累removaln.除去；消除；清除threat用法詳解n.威脅；恐嚇makethreatsagainstsb.對(duì)某人進(jìn)行威脅carryoutathreat進(jìn)行恐嚇Theycarriedouttheirthreattokillhim.他們威脅要?dú)⑺浪?。n.構(gòu)成威脅的人或事物，其后接介詞to，常用單數(shù)形式。athreatto對(duì)......形成威脅HeisunlikelytobeathreattotheSpanishplayerinthefinal.他不可能在決賽中對(duì)這位西班牙運(yùn)動(dòng)員形成威脅。Themurdererisathreattoeveryoneinthetown.那殺人犯對(duì)鎮(zhèn)上的每個(gè)人來說都是一種威脅。詞語積累（1）threatenvt.威脅；恐嚇；預(yù)示threatensb.with用......來威脅......threatentodosht威脅做......threatenedadj.受到威脅的threateningadj.威脅的；恐嚇的exist用法詳解vi.存在，不用于進(jìn)行時(shí)或被動(dòng)語態(tài)。existin存在于，在于（=liein）thereexists+名詞存在......Doeslifeexistonotherplanets？其他行星上有生命嗎？Betweentheseco-workers，thereexistsatrustrelationship.在這些同事之間，存在這種信任關(guān)系。（thereexists......為完全倒裝句）vi.生活，生存existon+名詞靠......為生（=live/feedon）existbydoing......靠做.....為生（=livebydoing......）Weexistedonadietofrice.我們靠吃大米過活。Intheolddayshisfamilyexistedbybegging.在舊社會(huì)，他一家人靠乞討度日。詞語積累existencen.存在comeintoexistence開始存在earnone’sexistence謀生harmony用法詳解n.（人際關(guān)系的）融洽，和睦，不可數(shù)名詞inharmonywith與......和諧outofharmonywith與......不和諧Thecoupleliveinperfectharmony.這對(duì)夫婦和睦地生活著。Ourpollutedearthshowsthatweliveoutofharmonywithnature.我們被污染的地球顯示出我們并沒有與大自然和睦相處。n.和聲singinharmony和聲唱歌Theirvoicessoundbeautifulastheysinginharmony.當(dāng)他們和聲唱歌時(shí)，聲音聽起來很美妙。n.和諧；協(xié)調(diào)，指色彩等。Theharmonyofseaandskymakesabeautifulpicture.海天一色構(gòu)成一幅美麗的圖畫。歸納拓展“in+名詞”結(jié)構(gòu)的短語inpeace平靜地indanger處于危險(xiǎn)之中inrelief如釋重負(fù)地insurprise吃驚地inprogress進(jìn)展中詞語積累harmoniousadj.友好和睦的；和諧的考點(diǎn)提煉since引導(dǎo)的原因狀語從句since引導(dǎo)原因狀語從句，位于主句之前或之后，表示已知的，顯然的理由，通常翻譯成“既然”，與nowthat可呼喚，語氣比because弱。Sinceyouarefreetoday，youhadbetterhelpmew