Correct

空口说白话

/ kōng kǒu shuō bái huà /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/空口说白话-Chinese-idioms-Cchatty-bfb7860a-1d53-4d41-aca8-f7d391ac0da4-1612777887.jpg

Collocation

1
空口说白话没有人愿意听
2
不要/不能空口说白话
3
你别空口说白话

Definition

空口说白话

Literally means:

empty mouth speaks empty words

Actually means:

speak nonsense

It means speaking nonsense or only offering lip service without taking practical action. Derogatory

说话没有事实根据,或只说不做具有贬义色彩。

Example

Used as predicate, object or subject. (作谓语、宾语、主语)
1
法律
shì
jiǎngjiu
讲究
zhèng
证据
de
  
,
biè
kōngkǒushuōbáihuà
空口说白话
  

The law is evidence-based, don't talk nonsense.

2
yào
不要
kōngkǒushuōbáihuà
空口说白话
  
,
shuō
xiàng
jiè
le
3000
3000
yuán
  
,
yǒu
jiètiáo
借条
ma
  
?
Yòu
yǒu
shuí
néng
zhèngmíng
证明
ne
  
?

Don't talk nonsense, you said I borrowed 3000 yuan from you, do you have a loan? Who else can prove it?

3
shuō
yào
xièxie
谢谢
  
,
yào
diǎn
shízài
实在
de
dōng
东西
chūlái
出来
  
,
kōngkǒushuōbáihuà
空口说白话
néng
suànshì
算是
xiè
rénjiā
人家
ma
  
?

You said to thank him, to take something real out, empty words can be regarded as a thank you family?