Correct

口是心非

/ kǒu shì xīn fēi /
Strokes

Definition

duplicity/hypocrisy (idiom)

Example

Definition

have two faces; disharmony of mind and thought; say one thing and mean another; say yes and mean no; play a double game

1
guàn
一贯
kǒushìxīnfēi
口是心非
  
,
dāngmiàn
当面
tào
  
,
bèihòu
背后
tào
  
,
不可不
fáng
  

He always says one thing but means another, and behaves one way to your face and quite another behind your back. You must be on the alert for him.

2
Kǒushìxīnfēi
口是心非
de
rén
shì
kàobuzhù
靠不住
de
  

A double-faced person can never be relied on.