turn a loss-making enterprise into a profitable one

he who does not advance loses ground

to make the best of a bad bargain

You scratch my back, and I will scratch yours

Neglecting one's own problems while trying to help others

reading by the light of fireflies

rare and commendable;estimable

diametrically opposite;act at cross-purposes;be poles apart

at cross purposes

at cross purposes with

masterpiece

Be unqualified for one's position

not know A from B

The die is cast

Man proposes and God disposes

The planning lies with man, the outcome with Heaven. Man proposes, God disposes

Let sleeping dogs lie

unfathomable mystery;subtle and ineffable;unable to make head or tail of it;boring (e.g. movie)

to distinguish right from wrong

to distinguish right from wrong