Correct

空口

/ kōngkǒu / 
Strokes

Definition

incomplete meal of a single dish/meat or vegetable dish without rice or wine/rice without meat or vegetables

Example

As a Verb

eat dishes without rice or wine; eat rice or drink wine with nothing to go with it

1
Kōngkǒu
空口
chīfàn
吃饭

eat rice without dishes to go with it

As a Noun

verbal statement

2
Guāng
光
kōngkǒu
空口
shuō
说
bùxíng
不行
  
,
wǒmen
我们
děi
得
cǎiqǔ
采取
shíjì
实际
xíngdòng
行动
  
。

Idle talk is of no use; we have to take action.

3
Kōngkǒu
空口
nuòyán
诺言

hollow promise