Act in a just and generous manner

put on a long face(wear a long face; go around with a long face)

do one's best to convince sb.

diligent and economical

The army has collapsed.

be indescribably miserable(suffer unspeakably)

really nothing at all

mere words without a factual basis

nonessential(be not essentia)

heroic and moving

after suffering comes happiness

talk with ease and fluency

exciting(soul-stirring; thrilling)

Wind comes from the hollow cavebeingnot a groundless rumour.

protracted(prolonged; long-drawn-out)

readily exploitable loopholes

bumpy(rough; (of road surface) full of bumps and hollows; be bumpy and rough)

rant

with whip and spur

the realm of fancy