Correct

吃里爬外

/ chī lǐ pá wài /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/吃里爬外-Chinese-idioms-Cchatty-779139d7-8dbc-4688-9882-0ceaba4526e5-1612776674.jpg

Collocation

1
吃里爬外的雇员
2
吃里爬外的叛徒
3
吃里爬外的丑事
4
吃里爬外的勾当
5
不应该吃里爬外

Definition

吃里爬外

Literally means:

eat inside but give outside

Actually means:

do harm to one's own people to help an outsider; turn against one's supporters

A person who is an employee of or has benefited from Party A becomes disloyal and serve secretly Party B who is Party A's adversary. Derogatory.

作为甲方的人员或拿了甲方的好处却对甲方不忠,暗地里替乙方出力或做事。 具有贬义色彩。

Example

Used as predicate, object or attributive. (作谓语、宾语、定语)
1
chīwài
吃里爬外
  
,
自己
gōng
公司
de
shāng
商业
机密
chūmài
出卖
gěi
gōng
公司
de
jìngzhēng
竞争
duìshǒu
对手
  
Zhè
shì
zhǒng
chǐ
可耻
de
bèipàn
背叛
xíngwéi
行为
  

He crawled outside and sold his company's trade secrets to his competitors. This is a shameful act of betrayal.

2
Lǎobǎn
老板
duì
hěn
cuò
不错
  
,
shízài
实在
yīnggāi
应该
chīwài
吃里爬外
  

The boss is very nice to him, he really shouldn't eat and climb outside.

3
Huàishì
坏事
chuán
qiān
  
,
chīwài
吃里爬外
de
shì
lián
yuǎnzài
远在
měiguó
美国
de
tóngxué
同学
dōu
zhīdào
知道
le
  

Bad things spread thousands of miles, he ate outside the things even far away in the United States students know.

Related

吃里爬外