(w)

(kōng) empty; air; sky; in vain

(w)

(kòng) to empty; vacant; unoccupied; space; leisure; free time

空中 (w)

(kōngzhōng) in the sky; in the air

空中交通管制 (w)

(kōngzhōngjiāotōngguǎnzhì) air traffic control

空中交通管制员 (w)

(kōngzhōngjiāotōngguǎnzhìyuán) air traffic controller

空中客车 (w)

(kōngzhōngkèchē) Airbus (Aircraft company)

空中小姐 (w)

(kōngzhōngxiǎojiě) stewardess; air hostess

空中核爆炸 (w)

(kōngzhōnghébàozhà) air nuclear explosion; nuclear airburst

空中格斗 (w)

(kōngzhōnggédòu) dogfight (of planes)

空中楼阁 (w)

(kōngzhōnglóugé) pavilion in the air (idiom); unrealistic Utopian construction; castles in Spain; imaginary future plans

空中炮舰 (w)

(kōngzhōngpàojiàn) helicopter gunship

空中飘浮 (w)

(kōngzhōngpiāofú) to float in the air

空中飞人 (w)

(kōngzhōngfēirén) trapeze artist; frequent flyer

空位 (w)

(kōngwèi) empty place; room (for sb)

空儿 (w)

(kòngr) spare time; free time

空前 (w)

(kōngqián) unprecedented

空前绝后 (w)

(kōngqiánjuéhòu) unprecedented and never to be duplicated; the first and the last; unmatched; unique

空匮 (w)

(kòngkuì) scarce; poor

空口 (w)

(kōngkǒu) incomplete meal of a single dish; meat or vegetable dish without rice or wine; rice without meat or vegetables

空口白话 (w)

(kōngkǒubáihuà) empty promises

空口说白话 (w)

(kōngkǒushuōbáihuà) to make empty promises

空名 (w)

(kōngmíng) vacuous reputation; name without substance; in name only; so-called

空喊 (w)

(kōnghǎn) idle clamor; to prattle

空地 (w)

(kòngdì) vacant land; open space

空城计 (w)

(kōngchéngjì) empty city strategy; double bluff strategy (idiom); CL:條|条[tiao2]

空姐 (w)

(kōngjiě) abbr. for 空中小姐; stewardess; air hostess; female flight attendant

空子 (w)

(kòngzi) gap; unoccupied space or time; same as 空閑|空闲

空客公司 (w)

(kōngkègōngsī) Airbus (European corporation)

空室清野 (w)

(kōngshìqīngyě) empty room, clean field (idiom); clean out everything to leave nothing for the enemy; scorched earth policy

空对空导弹 (w)

(kōngduìkōngdǎodàn) air-to-air missile

空巢 (w)

(kōngcháo) empty nest; a home where the kids have grown up and moved out

空幻 (w)

(kōnghuàn) vanity; empty fantasy; illusion

空心 (w)

(kōngxīn) hollow; empty headed; mindless

空心 (w)

(kòngxīn) fasting; on an empty stomach

空心儿 (w)

(kòngxīnr) erhua variant of 空心, fasting; on an empty stomach

空心大老官 (w)

(kōngxīndàlǎoguān) fake important personage; sham

空心墙 (w)

(kōngxīnqiáng) cavity wall; hollow wall

空心老大 (w)

(kōngxīnlǎodà) pretentious and vacuous person

空心菜 (w)

(kōngxīncài) see 蕹菜[weng4 cai4]

空心萝卜 (w)

(kōngxīnluóbo) useless person

空怒 (w)

(kōngnù) air rage

空想 (w)

(kōngxiǎng) daydream; fantasy; to fantasize

空想社会主义 (w)

(kōngxiǎngshèhuìzhǔyì) utopian socialism

空战 (w)

(kōngzhàn) air war; air warfare

空房间 (w)

(kōngfángjiān) vacant room

空手 (w)

(kōngshǒu) empty-handed; unarmed; karate

空手而归 (w)

(kōngshǒuérguī) to return empty-handed; to fail to win anything

空手道 (w)

(kōngshǒudào) karate

空投 (w)

(kōngtóu) air drop; to drop supplies by air

空挡 (w)

(kōngdǎng) neutral gear

空日 (w)

(kòngrì) day that is named but not numbered (on ethnic calendar)

空暇 (w)

(kòngxiá) idle; free time; leisure

空旷 (w)

(kōngkuàng) spacious and empty; void

空格 (w)

(kònggé) blank; blank space on a form; space; 囗 (indicating missing or illegible character)

空气 (w)

(kōngqì) air; atmosphere

空气剂量 (w)

(kōngqìjìliàng) air dose

空气动力 (w)

(kōngqìdònglì) aerodynamic force

空气动力学 (w)

(kōngqìdònglìxué) aerodynamics

空气取样 (w)

(kōngqìqǔyàng) air sampling

空气取样器 (w)

(kōngqìqǔyàngqì) air sampler

空气污染 (w)

(kōngqìwūrǎn) air pollution

空气流 (w)

(kōngqìliú) flow of air; draft

空气流通 (w)

(kōngqìliútōng) fresh air; draft

空气缓冲间 (w)

(kōngqìhuǎnchōngjiān) air lock

空气调节 (w)

(kōngqìtiáojié) air conditioner

空气阻力 (w)

(kōngqìzǔlì) atmospheric drag

空泛 (w)

(kōngfàn) vague and general; not specific; shallow; empty

空洞 (w)

(kōngdòng) cavity; empty; vacuous

空洞无物 (w)

(kōngdòngwúwù) empty cave, nothing there (idiom); devoid of substance; nothing new to show

空无一人 (w)

(kōngwúyīrén) not a soul in sight (idiom)

空无所有 (w)

(kōngwúsuǒyǒu) having nothing (idiom); utterly destitute; without two sticks to rub together

空当 (w)

(kòngdàng) gap; interval

空疏 (w)

(kōngshū) shallow; empty

空白 (w)

(kòngbái) blank space

空白点 (w)

(kòngbáidiǎn) gap; empty space

空穴 (w)

(kòngxué) electron hole

空穴来风 (w)

(kōngxuéláifēng) wind from an empty cave (idiom); story without foundation; coming out of thin air; when negated: not baseless; not out of thin air

空穴来风未必无因 (w)

(kòngxuéláifēngwèibìwúyīn) wind does not come from an empty cave without reason; there's no smoke without fire (idiom)

空空 (w)

(kōngkōng) empty; vacuous; nothing; vacant; in vain; all for nothing; air-to-air (missile)

空空如也 (w)

(kōngkōngrúyě) as empty as anything (idiom); completely bereft; to have nothing; vacuous; hollow; empty (argument, head etc)

空空导弹 (w)

(kōngkōngdǎodàn) air-to-air missile

空空洞洞 (w)

(kōngkōngdòngdòng) empty; hollow; lacking in substance

空空荡荡 (w)

(kōngkōngdàngdàng) deserted

空空荡荡 (w)

(kōngkōngdàngdàng) absolutely empty (space); complete vacuum

空竹 (w)

(kōngzhú) Chinese yo-yo

空缺 (w)

(kòngquē) vacancy

空置 (w)

(kōngzhì) to set sth aside; to let sth lie idle; idle; unused

空腔 (w)

(kōngqiāng) cavity

空肠 (w)

(kōngcháng) jejunum (empty gut, middle segment of small intestine between duodenum 十二指腸|十二指肠[shi2 er4 zhi3 chang2] and ileum 回腸|回肠[hui2 chang2])

空腹 (w)

(kōngfù) an empty stomach

空腹高心 (w)

(kōngfùgāoxīn) ambitious despite lack of ambition

空落落 (w)

(kōngluòluò) empty; desolate

空着手 (w)

(kōngzheshǒu) empty-handed

空荡荡 (w)

(kōngdàngdàng) absolutely empty (space); complete vacuum

空虚 (w)

(kōngxū) hollow; emptiness; meaningless

空袭 (w)

(kōngxí) air raid; attack from the air

空话 (w)

(kōnghuà) empty talk; bunk; malicious gossip

空话连篇 (w)

(kōnghuàliánpiān) long-winded empty talk

空调 (w)

(kōngtiáo) air conditioning

空调车 (w)

(kōngtiáochē) air conditioned vehicle

空谈 (w)

(kōngtán) prattle; idle chit-chat

空谷足音 (w)

(kōnggǔzúyīn) sound of footsteps in an empty valley (idiom); a rare occurrence; That's sth you don't often hear!

空跑一趟 (w)

(kōngpǎoyītàng) to make a journey for nothing

空身 (w)

(kōngshēn) empty handed (carrying nothing); alone

空军 (w)

(kōngjūn) air force

空军一号 (w)

(kōngjūnyīhào) Air Force One, US presidential jet

空军司令 (w)

(kōngjūnsīlìng) air commodore; top commander of air force

空军基地 (w)

(kōngjūnjīdì) air base

空运 (w)

(kōngyùn) air transport

空运费 (w)

(kōngyùnfèi) air freight (cost of air transport)

空闲 (w)

(kòngxián) idle; free time; leisure

空间 (w)

(kōngjiān) space; CL:個|个[ge4]

空间局 (w)

(kōngjiānjú) space agency

空间探测 (w)

(kōngjiāntàncè) space probe

空间站 (w)

(kōngjiānzhàn) space station

空阒 (w)

(kōngqù) empty and quiet

空防 (w)

(kōngfáng) air force; air defense

空降 (w)

(kōngjiàng) airborne

空降兵 (w)

(kōngjiàngbīng) paratroopers

空隙 (w)

(kòngxì) crack; gap between two objects; gap in time between two events

空集 (w)

(kōngjí) empty set (set theory)

空难 (w)

(kōngnàn) air crash; aviation accident or incident

空头 (w)

(kōngtóu) short (finance)

空额 (w)

(kòngé) vacancy; unfilled work place

空余 (w)

(kòngyú) free; vacant; unoccupied