HSK 6 HSK C7-9
Correct

孔

/ kǒng / 
Strokes

Definition

hole/CL:个[gè]/classifier for cave dwellings

Example

As a Noun

hole; opening; aperture; bore; orifice

1
Zhè
这
zuò
座
qiáo
桥
yǒu
有
jǐ
几
ge
个
kǒng
孔
  
?

How many arches does this bridge have?

2
Sìkǒngqiáo
四孔桥

bridge of four spans

3
Yàoshikǒng
钥匙孔

keyhole

4
Dànkǒng
弹孔

bullet hole

5
Zuānkǒng
钻孔

bore a hole

As a Measure word

[for cave-dwellings, oil wells, etc]

6
Dá
打
yī
一
kǒng
孔
suìdào
隧道

bore/build/construct a tunnel

7
Sānkǒng
三孔
yáodòng
窑洞

three cave-dwellings

8
Yī
一
kǒng
孔
yóujǐng
油井

an oil well