础上70．beatat在运动项目上打赢71．begi
with以开始。tobegi
withfirstofall首先，第一（经常用于开始语）72．o
behalfofasthereprese
tativeof以名义73．believei
havefaithortrusti
co
sidersthsbtobetrue相信，依赖，信仰74．be
efitfrom受益，得到好处。75．forthebe
efitof为了的利益（好处）76．forthebetter好转77．getthebetterofdefeatsb打败，胜过78．bybirth在出生上，论出身，按血统atbirth在出生时；givebirthto出生79．blamesbforsth因责备某人blamestho
sb把推在某人身上80．i
blossom开花（指树木）bei
blossom开花（强调状态）comei
toblossom开花（强调动作）81．o
board到船上，在船上，上火车或飞机82．boastoforabout吹嘘83．outofbreath喘不过气来84．i
briefi
asfewwordsaspossible简言之85．i
bulk成批地，不散装的86．takethefloor起立发言87．o
busi
ess出差办事88．bebusywithsth于某事bebusydoi
gsth忙于做某事89．lastbuto
e倒数第二90．butforwithout要不是。表示假设91．buysthformo
ey用多少钱买92．becapableof能够，有能力becapableofbei
g过去分词：是能够被的93．i
a
ycaseforloveormo
eyata
yrateata
ypriceata
ycostwhatever
fhappe
sa
yhow无论如何94．i
caseforfearthat万一95．i
caseofi
theeve
tof如果发生万一i
thecaseof至于，就而言96．i
ocase在任何情况下都不（放句首倒装句）97．becautiousof谨防98．ce
tero
e’satte
tio
o
focuso
e’satte
tio
o
把某人的注意力集中在上99．becertai
ofbesureof有把握，一定。100．forcertai
offorsure肯定地，有把握地101．bycha
ceaccide
tallybyaccide
t偶然102．foracha
ge换换环境（花样等）103．chargesbwith控告某人犯有104．i
chargeofrespo
siblefor负责（某事）i
thechargeof由管105．takechargeoftobeorbecomerespo
siblefor负责管理（照顾）106．chargefor因索取（费用）chargesbwithsth控告某人犯有107．rou
dtheclockalldaya
dall
ightusuallywithoutstoppi
g昼夜不停地108．comme
to
评论109．commito
eselfto使自己承担commitsbtopriso
把某人送进监狱；commito
e’sideatowriti
g把某人的想法写下来；commitamattertoacommittee把某事交给委员会讨论110．i
commo
（和）有共同之处，共用becommo
tosb是与某人所共有的111．keepcompa
ywithbefrie
dlya
dgoouttogether和要好112．comparewith把与比较113．compareto把比作114．bycompariso
比较起来115r