believe   [bi'li:v]
v
相信 trust, rely on,信任,认为 suppose
believe sb    信任某人
believe in    信仰,信任
e.g. we believe in his ability.
 
 
belong    [bi'lɔŋ]
v
属于,合适。常与 to 连用
belong to    属于……
e.g. that dictionary(字典) belongs to me.
 
 
benefit   ['benifit]
n
利益,好处 good thing, help
pl.
表示救济金
v
有益于,有助于,常与from ,by 连用
for one’s benefit   为了某人的利益
benefit from   收益于
e.g. what can i benefit from it?
 
 
bicycle   ['baisikl]
n
自行车 bike
ride a bicycle 骑自行车 by /on bicycle  
e.g. he is learning to(学习) ride a bicycle.
 
 
birth   [bə:θ]
n
出生,诞生delivery 出身background 起源beginning
give birth to 生育,产生   
 at birth 在出生时    
by birth   生来
e.g. she gave birth to a fine healthy baby.
 
 
bit   [bit]
n
一点,少许,小块 a bit of 一点儿的,bit by bit一点点地,渐渐地
e.g. you've caught a bit of a cold. 有点感冒
 
 
blame   [bleim]
n
责备complaint,过错,责任
v
责怪 criticize ,把……归咎于
blame sb for sth    因为某事而责备某人
blame sth on /to sth   把……怪到……头上
be to blame      应受谴责
e.g. either he is to blame or i am. 不是他该受责备就是我该受责备。
 
 
block   [blɔk]
n
大块(石料,木料,冰等)piece 街区,障碍物 arrier
v
妨碍   阻塞   prevent
block off  封锁 block up 堵塞,
e.g. the road was blocked by a huge rock.(大石头)
 
 
board   [bɔ:d]
n
木板,纸板,伙食 董事会
on board 在船上
a board of directors 董事会 
above board 光明正大  
 
 
book   [buk]
n
书,书籍
v
等级,预定(票,座位等)
booking office 售票处
book in 预定房间,办理手续
by the book 按照规则
e.g. i am going to book the tickets.
 
 
boring   ['bɔ:riŋ]
adj
令人烦恼的,单调沉闷的,dull uninteresting
e.g. it is boring to listen to the same story.
 
borrow   ['bɔrəu]
v
借,借入   borrow……from /of sb 向某人借
e.g. may i borrow the pen from you? 
 
 
bother   ['bɔðə]
v
打扰 烦扰 disturb ,trouble
n
麻烦difficulty ,讨厌的人/事
bother with……而费心
don't bother 不用这么麻烦!
bother about烦恼
e.g. don't bother about meeting me.
 
 
bottom ['bɔtəm]
n
底,底部 at the bottom of …… 在……底部
e.g. he was always bottom of the class in maths.
 
 
brain   [brein]
n
大脑 智慧 pl.智力
brain wave 脑电波
brain death 脑死亡
brain cell 脑细胞
rack one’s brains 绞尽脑汁
e.g. i advise you have a brain scan.(扫描)

branch   [brɑ:ntʃ]
n
(学科)分科,分支 , 分别   department   division
a branch of knowledge 学科
e.g. he cut away (剪断)the dead branch.
 
 
 
break   [breik]
v
broke  broken  breaking 打破break a record ,中断,中止
违法(法律规定等) break the law
n
中断,间歇
break away from  脱离……放弃……
break away from the old traditional ideas
break down   (机器)损坏,故障 倒塌 (精神)崩溃,夸 a nervous break down
break in(to)  闯入 强行进入 打断 插嘴 
break off  中止,中断
break out ==erupt 发生 爆发 the war broke out after a long period of peace.(长期和平)
break through  突破
break up    打碎 结束 中断
have a break  休息
e.g. there is a break during the performance(演出) for the audience(观众) to take a rest.
breakfast   ['brekfəst]
n
早饭;have /eat breakfast   吃早饭
breakthrough ['breik,θru:]
n 突破
 
 
breath   [breθ]
n
1.呼吸,气息
2.一口气,一瞬间
catch one’s breath  喘过气来
hold one’s breath  屏住呼吸
out of breath   上气不接下气
e.g. i was out of breath after running for the bus.
 
 
bring   [briŋ]
v
brought ,brought ,bringing 拿来,带来,产生,引起
bring about 引起 带来 产生 bring on  引起,导致,使前进
bring forward   提出(建议,结论,观点等)
bring up  抚养,教育
bring out  生产,制造
bring to 使恢复知觉
e.g. i forget to bring my umbrella.(雨伞)
 
 
build     [bild]
v
built , built ,building 建造,建筑,增大,增强
build up ……develop/grow/increase/rise  逐步建立逐步加强      
build on/upon ---建立于 build of   用---建造  
e.g. that house is built of bricks.
building   ['bildiŋ]
n 建筑物
 
 
burn   [bə:n]
v
burnt/burned burnt/burned burning 燃烧,烧伤
n烧伤,灼伤
burn out 烧坏,烧光
burn up 烧起来,烧完
burn---to ashes —化为灰烬
burn oneself out 精疲力竭
e.g. i feel i hardly (几乎)burn out today.
 
 
business   ['biznis]
n
生意,业务trade ,职责responsibility,企业company
travel on business  因公出差
get down to business  认真着手办事
e.g. this is none of your business.这与你丝毫没有关系。
 
 
busy    ['bizi]
adj
忙碌的,热闹的 (电话)占线
be busy with (about ,in)   忙着做---
be busy (in ) doing sth    忙着做---
keep sb busy         使某人忙碌
e.g. he is busy with research work. 研究工作
 
 
but    [bʌt]  
prep:除,去,
conj:但是,可是,而  
adv:几乎 仅仅
but for 要不是    
not only ……but also ……    不但……而且……
not……but ……     不是……而是……     
all but 几乎,除了,差不多
can not but (do ) 不得不…… 不得不……
e.g. we can't but face the reality.现实
 
 
buy   [bai]
v
bought bought buying 购买 交易 purchase
e.g. money can't buy happiness.