字母B开头短语backandforth来来常常地、(前后)往返地barkat(狗)向⋯⋯叫be(good)valueformoney ⋯⋯beabletodo能⋯⋯、有能力⋯⋯beabouttodowhen就要做某事，忽然⋯⋯beabouttodo准做⋯⋯(不接状，表示未来 )beabsentfrom不在、缺席beabsorbedin沉浸于⋯⋯、沉迷于⋯⋯beactivein在⋯⋯活beadmittedintouniversities被大学取beafraidofdoing担忧某事会生beafraidofsth./sb.惧怕某人(物)beafraidthat 唯恐⋯⋯⋯beafraidtodo不敢去做beaftersth./sb.找⋯⋯bealongwith和⋯⋯一同beanexperton/in/atsth.在⋯⋯是家beangryatsth.某事感觉生气beangrywithsb./sth.某人(物)感觉生气beanxiousabout ⋯⋯感觉焦1/12beanxiousforsth.迫切地要⋯⋯beanxioustodo迫切去做⋯⋯beashamedof感觉羞愧、愧beatbreakfast/lunch/supper在吃早/午/晚beatthesamelevel在同一水平上beawareofsth.知道beawayfrom离⋯⋯bebasedon以⋯⋯基、以⋯⋯依据bebetteroff状况好beblindinoneeye一只眼睛失明、独眼beblindto⋯⋯而不bebusydoing忙着⋯⋯bebusywith忙着⋯⋯becareful当心becaughtin被困住beconcernedabout关怀beconnectedwith 与⋯⋯有系becontenttodo宁愿做某事、愿意做某事becontentwith ⋯⋯足becrowdedwith了bedangerous ⋯⋯(⋯⋯)组成威、是危的2/12bedeafto⋯⋯听而不、充耳不bedisappointedinsth.某事(物)绝望bedisappointedwithsb./sth.⋯⋯绝望bedoingwhen正要做某事，忽然⋯⋯bedoing表达某种气、感情，如喜、美、、怨恨、批评等bedoneawaywith束、果bedressedin穿⋯⋯beduetodo ⋯⋯会怎beduetosth.因为、于bedyingfor期望bedyingtodo迫切去做⋯⋯beeagertodo期望去做⋯⋯beengagedin忙于、致力于beengagedto与⋯⋯婚beequalto与⋯⋯相等beexpertin/atdoing擅于⋯⋯befamousas作⋯⋯而有名befamousfor因⋯⋯而有名befamoustosb.在⋯⋯中有名befavourableto有助于、有益于befitforsth.合适⋯⋯3/12befondof好⋯⋯befriendly/kind/politetosb.某人友善begoingtodo马上做⋯⋯begone ⋯⋯不了begoodonsb.某人好behardonsb.某人苛刻、某人beharmfulto⋯⋯有害behonouredforsth. 因⋯⋯受敬爱bein(the)majority占大部分，于多半beinbusinessbeindanger于危之中beindarkness在黑暗之中(无光，用于指状)beindisorder没有次序、乱beinearnest迫切、迫切beingoodorder有次序、整beingreatneed最需要beinhospital住院beinlow/highspirits情低沉/高昂beinpoorhealth身体不好bein/underone'scharge受某人管bein/underthechargeofsb.受某人管4/12beintroducedinto 被引⋯⋯bejoinedto与⋯⋯接bekeenon喜bekindforsb.todosth.某人做某事(人)有好bekindofsb.某人好beknownfor因⋯⋯而有名beknowntosb.在⋯⋯中有名belackingin缺乏belongingfor期望去做⋯⋯belongingtodo期望去做⋯⋯belost ⋯⋯不了belostinsight看不belostinthought堕入深思bemadefrom由⋯⋯(加工)制成bemadeinto制成、加工成bemadeof由⋯⋯(直接)制成bemadeupof 由⋯⋯⋯成bemarkedwith被上bemeasuredin以⋯⋯来权衡bemissing 不⋯⋯了bemixedwithsth.用⋯⋯混淆5/12benotinagreement⋯⋯是不一样的benothingmorethan只不是beofdifferentsizes/colours/weights/ages/shapes尺寸/色/重量/年/形状不一样beofgreat/nohelp/value/importance/usetosb.某人(没)有很大(帮助等)beofthesamekind同一beofthesamesize/colour/weight/age/shape尺寸/色/重量/年/形状同样beofthiskind属于一beoff走开beonavisitfromsp.从某地来beonavisittosp.正游、参某地beonbusiness因公(事等)beondiet食beonduty日、上班beonfire着火beonholiday/vacation在度假beonsale待售、拍beonshow展；上映beonstrike工beonthemarch正在游行、正内行beoutoffashion、不流行6/12beoutoforder没有次序、乱beoutofreach 不①着②无能力beoutofwork失bepopularamongsb.在⋯⋯中流行bepopularwithsb.在⋯⋯中流行bepreparedfor⋯⋯作准(接抽象事物)bepresentat(themeeting)参加(会)beproudof以⋯⋯骄傲beputtoanewuse被用在了新的用途上bereadyfor准好做⋯⋯bereadytodo准好做⋯⋯berecognisedas被作是bereducedby降低了⋯⋯(接数字、百分数)berelatedto与⋯⋯有系beresponsblefor ⋯⋯任berichin在⋯⋯丰富besatisfiedwith ⋯⋯意beseniorto比⋯⋯大besetin以⋯⋯背景beshortof缺乏beshownintosp.被到某地7/12bespunintothread被成bestrictinsth.某事格要求bestrictwithsb.某人品要求besuccessfulindoingsth做.⋯⋯成功besuitablefor合适Besure(certain)todo确信做⋯某事(祈使句)betiredfromsth./doing(身体上)累、疲betiredofsth./doing倦⋯⋯betiredout 疲惫不堪betoblame( )受betodo准做⋯⋯betrappedby(thefire)被(火)困betreatedas把⋯⋯看作⋯⋯待beunderconstruction建中beunwillingtodo不肯去做beupto ①高达、达到②达到境地、入角色③从事、忙于bewellreceived接受成效好、宽泛接受bewillingtodo期望去做⋯⋯beworriedabout⋯⋯担忧beworthdoing得⋯⋯beworthsth.多少8/12beworthyof得beatsb.blackandblue把某人打得鼻青beatsb.onthehead碰某人的beatsb.todeath打死某人beatsth.flat把⋯⋯平beforeall特别、特beforelong没多久(常用于未来、一般去 )beginwith以⋯⋯开始believein 信①、相信②信仰、崇奉belongtosb.属于benefitfrom 从⋯⋯取利益、好beyondreach不着；找不到、消逝beyondthat除了那个之外beyondthesea在国外blackout昏倒、神志不清；停止、中止blackteaxxbloodbank血站、血blowaway吹走bothofsb.两个人都⋯⋯9/12both⋯not不⋯都是⋯⋯(部分否认)breakawayfrom离开breakdown(1)分解；破碎(2)(汽)抛breakin打断⋯⋯的breakintopieces打(破)成碎片breakoff折断、xx、工breakone'spromise/words损坏某人的言、食言breakout分裂、爆breaktherecord打破breaktherules反breakup分解bringabout来、造成bringdown使⋯⋯降落bringin引bringon惹起、致bringsth.toone'snotice使某人注意⋯⋯bringup育、养育buildup成立burndown10/12burnsth.totheground把⋯⋯burnup耗费burstin、入burstintoflames忽然着火burstintotears/laughter 忽然放声大哭/笑burstoutdoing爆；忽然businesssense商理念byandby不久此后、很快的bychance有时bydegrees逐地byfar到现在止bymeansof通⋯⋯的法byoccasionally有时的byonesandtwos寥寥无几地、零零散落地byoneself单独地、独立地、独地bytheend在⋯⋯从前bythehour/day/week/minute/month/year 按小/日/周/分/月/年算bythekilogramme/ton 按公斤/吨算bythetime一段前(引状从句)bytheway便一下bythismeans用种方法11/12byweight/length/volume 按重量/长度/容量算12/12。