Correct

皮笑肉不笑

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Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/皮笑肉不笑-Chinese-idioms-Cchatty-5723f1fc-30f6-4456-8c3d-fab3cb50e023-1612777806.jpg

Collocation

1
皮笑肉不笑的样子
2
皮笑肉不笑的嘴脸
3
皮笑肉不笑地咧了一下嘴
4
整天皮笑肉不笑的

Definition

皮笑肉不笑

Literally means:

the skin laughs, but the flesh doesn't

Actually means:

put on false smile; smile hypocritically

It means forcing a smile or smiling sinisterly. Such smiles usually make people feel uncomfortable. Derogatory

形容勉强带笑,或笑脸的外面藏着恶意。给人以不舒服的感觉。具有贬义色彩。

Example

Used as predicate, adverbial adjunct or attributive. (作谓语、状语、定语)
1
zuòjiǎ
作假
de
huàishì
坏事
bèi
jiē
揭露
le
hòu
以后
  
,
zhí
一直
huáihènzàixīn
怀恨在心
  
,
jiàndào
见到
zǒngshì
总是
xiàoròuxiào
皮笑肉不笑
liē
xià
zuǐ
  

He faked bad things by me after I revealed, has always had a grudge in mind, see I always smile without laughing at the mouth.

2
kàndào
看到
xiàoròuxiào
皮笑肉不笑
de
yàngzi
样子
  
,
jiù
shàng
马上
huì
xiǎng
想起
yīnàn
阴暗
de
xīn
心理
  

As soon as I saw her smiling, I immediately remembered her dark psychology.

3
men
他们
不得已
zài
jīng
经理
bàngōngshì
办公室
jiàn
le
miàn
  
,
彼此
dōu
xiàoròuxiào
皮笑肉不笑
  
,
shuō
le
liǎng
gōu
yìngchou
应酬
huà
jiù
kāi
离开
le
  

They must not have met in the manager's office, laughed at each other, said two words of pay and left.