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:

of one mind
on one's toes
one-night stand
in one fell swoop
out of one's element
one's opposite number
for one thing
one for the road
on one's guard
all-in-one
million and one
on the one hand
back to square one
one's feet are on the ground
one's days are numbered