become of	happen to
built up	accumulate
balance against	assess in relation to
bank on	depend on
stop and forgot	blow over
book up	reserve
bear out	support
blow up	explode
brush up	improve
break through	become visible
black and blue all over	covered with bruises
by and large	on the whole
behind bars	in prison
full of beans	very lively
drop a brick	do/say sth tactless
browned off	fed up
a brainwave	sudden clever idea
out of the blue	suddenly and unexpectedly
break even	show neither profit nor loss
cost a bomb	be very expensive
beat about/around the bush	not to say something straightforward
take the bull by its horns	to confront difficulties
ring a bell	to sound familiar
laid bare	to reveal, explain
blue-eyed boy	a favorite student
golden boy	a favorite student
hang in the balance	remain doubtful
be broke	not to have money
be in sb's black book	afoul
make a clean brest of	make a confession
a bolt from the blue	a sudden, shocking surprise or turn of events
in black and white	in print or writing
get one's own back	get revenge
make one's blood boil	frustrate, get on one's nerves
feel sth in one's bones	have a feeling
bark up the wrong tree	focus on the unimportant
butter up the boss	be unduly nice
don't hold your breath	sth that you say in order to tell someone that an event is not likely to happen
caught red-handed	discover in the act of committing a crime
deal a blow	strike sb
see the back	be finished with sb
have no choice in	wybór w
be consistent with	być spójnym z
belong to	należeć do
aim at	celować w
agreeable to	do zaakceptowania
careless about	niedbały o
bored with	znudzony czymś
concentrate on	skupić się na
confined to	skazany na
apprehensive about	bojaźliwy o
bear with me	proszę poczekać
blow one's top	fly into rage
be baffled by	be confused by sth
coincide with	sth is on the same day that sth else
cruel to	okrutny dla
on the spur of the moment	spontaneously
be blessing in disguise	szczęście w nieszczęściu
drive a hard bargain	stawiać twarde warunki
have a bee in one's bonnet	have an obssession about
have butterflies in one's stomach	mieć motyle w brzuchu/be nervous
be on the verge of doing sth	be about to happen
have no recollection of sth	don't remember
hand in	złożyć coś
at the crack of the dawn	very, very early
matter to sb	mean
postpone	call off
under suspicion of doing sth	be suspected