What idiom?

never come to anything

Loyalty, at any sacrifice.

Defile sb's academic dignity

As a person's reputation is swept away-discredited.

Bow down before sb. (usually in admiration)

Get ahead.

Indulge in sensual pleasure

Go to heaven and go to earth-very capable

Autumn wind sweeps the floor.

A trouble-prone place

Wild waste

Unknown place

Put yourself in others' shoes.

perspicacious

A place with excellent feng shui

talk of anything under the sun

pitch-black

Thank goodness

Jijitian

Cover the earth, cover the sky-appear in large numbers

The Creation of Heaven and Earth ―― The Dawn of History

Land of rebirth

A sad place

Divide the land three times per acre.

The battlefield of military strategists

There is no place to stand.

Come to a bad end-died tragically.