托福阅读词组：

　　black and blue

　　black and white=referring to photography that does not have any colors except black ,white and grey

　　blame for

　　block out=plan

　　blood pressure

　　blood serum

　　blood vessel

　　blood plasma

　　blow/lose one's cool

　　blow out

　　blow over=go away without causing harm

　　blow up

　　boast of

　　boil down to

　　bomb out

　　booked up

　　border on 1=be next to 2=resemble

　　bounce about

　　bread and butter

　　break away with

　　break down 1=stop operating 2=decompose

　　break faith=violate trust;violate confidence

　　break in=train;discipline

　　break into

　　break into pieces

　　break new ground=make prograss;make advances

　　break off

　　break one's heart

　　break one's neck (to do sth)=work extremely hard

　　break one's words

　　break out

　　break out of =escape from

　　break the ice=get past the uncomfortable feeling that exists

　　break through(sth)

　　break ties with=break off

　　break up

　　brighten one's spirits

　　bring about=cause

　　bring an end to& bring ...to an end

　　bring back

　　bring forth=cause (sth) to appear

　　bring forward 1=cause to happen earlier 2=propose (sth) for discussion

　　bring in 1=usher in 2=earn

　　bring into action

　　bring into effect/operation

　　bring off=succeed

　　bring on 1=introduce 2=cause

　　bring over=convey

　　bring through=rescue

　　bring to light=reveal (sth) which has been hidden

　　bring to ruin=destroy

　　bring to terms=force to agree to conditions

　　bring together

　　bring under=depress

　　bring up