HSK 4 HSK C2/W2/V3/V4
Correct

空

/ kōng / 
Strokes

Definition

empty/air/sky/in vain

Example

As an Adjective

empty; hollow; void; vacant; unoccupied

1
Suǒyǒu
所有
zázhì
杂志
dōu
都
yǐ
已
xiāoshòuyīkōng
销售一空
  
。

All the magazines have been sold out.

2
Nā
那
kē
棵
lǎoshù
老树
zhōngjiān
中间
shì
是
kōng
空
de
的
  
。

The old tree is hollow inside.

3
Jiēshang
街上
kōngwúyīrén
空无一人
  
。

There's not a single soul in the street. / The street is deserted/empty.

4
Kōng
空
dùzi
肚子
  
/
hézi
盒子
  
/
zuòwèi
座位

empty stomach/box/seat

5
Bǎ
把
nánguā
南瓜
tāokōng
掏空

hollow out a pumpkin

6
Liǎngshǒukōngkōng
两手空空

be empty-handed; with bare hands

7
Dǎokōng
倒空
chōuti
抽屉

empty out a drawer

As an Adjective

(of the content of a book, etc) lacking substance; impractical

As a Noun

sky

As an Adverb

for nothing; in vain; vainly

As a Verb

not have; there is not; be without