physical space; room; the three-dimensional area in which objects exist and move

the gas mixture surrounding the earth, primarily composed of nitrogen and oxygen

electric appliance used to regulate temperature, humidity, and cleanliness of air in an indoor space

the operation of aircraft; travel or transport by air through the atmosphere

sky; heavens; the vast space above the earth

in the air; overhead; aerial; high above the ground

the universe beyond the Earth's atmosphere

to have time available to do something; to be free

military branch that conducts warfare in the air; typically consists of aviation and ground support units

Empty and unused, such as a check that has not been filled out or a mind that is momentarily unable to think.

airline company; aviation company

time and space; the world of a particular locale and era; space-time in physics

unprecedented; never previously existing; surpassing anything that has come before

the star-studded heavens; the night sky with visible stars

the skies above a certain place; overhead; airspace

to have no spare time; to be busy

vacuum; a space entirely devoid of matter or containing extremely low pressure gas

empty-handed; unarmed; having nothing in one's hands (e.g. not carrying gifts or weapons)

devoid of meaning or substance; spiritually or mentally unfulfilled

(finance) a trader who sells assets they do not yet own in anticipation of a price drop; a short-seller

upper air; the sky far above the ground

the sky during the night

A manned spacecraft orbiting the Earth, equipped with living and working facilities for scientific research

A vehicle designed for travel or operation in outer space, such as a shuttle or craft; also referred to as [[宇宙飞船|宇宙飛船|yu3 zhou4 fei1 chuan2]]

(stock market) factors or news that cause a drop in prices; unfavorable market conditions

an unused plot of land or open ground

to have an empty stomach; (to do something) without having eaten anything

an attack by military aircraft on a surface target; airstrike

measures taken to defend against or reduce the effectiveness of an enemy air attack; antiaircraft defense

to rise into the air or sky; to take off

To rise high into the air; to be suspended or soaring high in the sky.

completely empty; vacant; void

groundlessly; without foundation; baselessly or for no reason at all

devoid of content; shallow or purely speculative (of speech, writing, or theory)

colloquial abbreviation for [[空中小姐|空中小姐|kong1 zhong1 xiao3 jie5]]

a vacant position or post; an opening or seat that is currently unoccupied

to sell short in the financial markets; a trading strategy where one sells securities with the intent to buy them back later at a lower price

the Monkey King; a major character with supernatural powers in the novel [[西游记|西遊記|xi1 you2 ji4]]

To manage to find time or squeeze in a moment from a busy schedule to do something.

to fail to achieve an expected goal or result; to fall through or prove fruitless

leisure; spare time

A small or narrow space between two things, such as a crack, opening, or clearance.

open and spacious; empty and expansive without anything blocking the view

A giant warship equipped with a flight deck for aircraft to take off and land, serving as a mobile sea base for naval aircraft.

high in the air; partway up the sky

The Monkey King; a character with supernatural powers from the novel [[西游记|西遊記|xi1 you2 ji4]]

the emptiness of the material world; the void in a spiritual or philosophical sense

transportation of passengers or cargo by aircraft

to drop from the sky; to land from the air using a parachute or aircraft