six of one and half a dozen of the other

одно и тоже, нет никакой разницы

It was six of one or half-a-dozen of the other as to whether I should rent an apartment downtown or take a cottage in the suburbs. They cost almost the same.

Другие идиомы:

one's bark is worse than one's bite
by the dozen
number one
take care of number one
on one's coat-tails
one-track mind
as busy as a one-armed paperhanger
on one's mind
on one's own
have one too many
of one mind
one of these days
out of the corner of one's eye
out of one's hair
out of one's league