to end in disappointment after high hopes given

swept clean

Three-Dimensions

airspace

Topless

China Southern Airlines

China Southern Airlines Co., Ltd

hollow

China Airlines

empty-handed

cold air

soar high

Air Canada

to describe a place where mass of people have either died or fled

ascend to the sky

mid-air

the highest ranking official responsible for irrigation and construction works in ancient East Asia (China and Korea)

pocket is as empty as if it has been washed, which means there is no money at all in the pocket

Cathay Pacific Airlines

Cathay Pacific Airways

Ground to air; surface to air

Compressed air

outer space

sky

in the sky [written and colloquial]

mirror of the sky

flighty and impetuous

(noun) universe

(slang) immigrants (who always fly back and forth in countries)

a spaceship