perish together

disinterested

The people in the same boat help each other.

gigantic net

prunes and prism(hem and haw; mince matters; mutter and mumble; stumble over one's words)

heaven and earth(heaven and the world; a world of difference)

advance rapidly(advance by leaps and bounds; make giant strides; advance with sevenleague strides)

plan illegal activities

hit on what one likes

be beaten black and blue

exhale the old and inhale the new

a heavenly steed soaring across the skies

a stronghold

state of extreme confusion as the sky and the earth turning upside down(earth-shaking; upside down)

an unquestionable moral truth

light(bigwig; prominent member; top people;protagonist; those in the upper echelons of)

escape one's lips

internal strife

give one a wide berth

make much ado about nothing