……as good as a time any
act up
administration building
and how!
anything but
around here somewhere
attendance required
back and forth
back up
be about to
be beind in
be better off
be clustered with
be done with
be fininish with
be good with
be off to=go to
be supposed to=should
be through=be done with=be finished with
be up all night
be up to sb
be up to sth
beat v./adj.
beyond repair
beyond the reach of
big sale
boil down to=lead to
book up
boy!
break down
break through
break up 击碎，分开，破坏，结束，解散，学生放假／下课（＊）
bring an end to /bring ...to an end
broke 身无分文
brush up on.... 重温，提高
bulletin board
bump into
by all means
by and by=very quickly
by leaps and bounds 迅速，大幅度地
by mail<-->face to face
cannot make heads or tails of it
care for=like
carry on=go on
carry out
cash a check
cataloging department
catch on　流行
catch one's breath 喘气
catch up on
catching 有感染力的，传染
champ
change　零钱，找零，更衣，换，交换，改变
check out
check up
check-out counter