make common cause with sb	act toghether to achieve aim
rise to the challenge	act and be successful even though sth is new/stanąć na wys. zad.
give sb chapter and verse	give every exact detail
hold/keep in check	control; prevent from becom i ng too powerful //trzymać w ryzach
big cheese	person with important job/ position //gruba ryba
take sth on the chin	bravely accept criticism, punishment etc /przyjmować coś na klate
chop and change	keep changing (your mind) /być niezdecydowanym
strike a chord	make sb feel sympathy/enthusiasm
claim to fame	thing which makes sb unusual/important //wyczyn
come clean	admit the truth; confess
steer/stay clear of	avoid sb/sth
part company with	end association //oddzielić się
of no/little consequence	of no value/ importance
cut corners	be less thorough /iść na skróty
be not all it's cracked up to be	not as good as people say it is/overestimated
cramp one's style	restrict one's behaviour in some way ,ograniczac kogos
There's no use crying over spilt milk	Nie ma co płakać nad rozlanym mlekiem.
A stitch in time saves nine	lepiej zapobiegać niż leczyć, szew w porę
A bird in the hand is worth two in the bush	Lepszy wróbel w garści niż gołąb na dachu
too many chiefs and not enough Indians	sami szefowie i nikogo do pracy
The early bird catches the worm	Kto rano wstaje temu Pan Bóg daje
make hay while the sun shines	kuj żelazo póki gorące//dosł. siano póki świeci
every cloud has a silver lining	nie ma tego złego, co by na dobre nie wyszło
It never rains but it pours	nieszczęścia chodzą parami
Actions speak louder than words	Liczą się czyny, a nie słowa
Too many cooks spoil the broth	Gdzie kucharek sześć, tam nie ma co jeść