From north to South

make no distinction between the wise and the foolish

take in the fresh and get rid of the stale

domestic financial troubles

have a bone in one's throat(stick in somebody's throat)

subtlety

be able to do mental and manual labour

fall apart at the seams(look old and clumsy)

teach one's grandmother to roast eggs(teach fish to swim)

as the years go by

be old and infirm(be worn out with age)

devils in animal forms

entre nous

attack an enemy simultaneously from within and without

have a bone in one's throat

gender equality

be able to accept advice from one's inferiors

murmur

shuttle to and fro(ever coming and going)

have a tongue in one's head