bù yào jǐn
unimportant
not serious
it doesn't matter
never mind
it looks all right, but
bù yào liǎn
to have no sense of shame
shameless
bù yào zài yī kē shù shàng diào sǐ
don't insist on only taking one road to Rome (idiom)
there's more than one way to skin a cat
sǐ bù yào liǎn
to know no shame
to be totally shameless