Correct

里三层外三层

/ lǐ sān céng wài sān céng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/里三层外三层-Chinese-idioms-Cchatty-661d16f2-7969-4e7e-8e97-ac548384415b-1612778322.jpg

Collocation

1
围得里三层外三层
2
里三层外三层地把……团团围住

Definition

里三层外三层

Literally means:

three layers inside and three outside

Actually means:

a big crowd

It metaphorically means many people crowd together, or something is thickly wrapped.

形容围在一起的人很多,也指有多层的包裹。

Example

Used as adverbial adjunct, complement or predicate. (作状语、补语、谓语)
1
Zhè
lǎo
shǎo
xià
下棋
shí
  
,
guānzhòng
观众
zǒngshì
总是
men
他们
tuántuán
团团
wéi
de
sān
céng
wài
sān
céng
  

When this old man and a young player play chess, the audience always surrounds them with three layers outside.

2
yòng
bàozhǐ
报纸
zhège
这个
diāo
木雕
sān
céng
wài
sān
céng
bāo
de
yányánshishí
严严实实
  
,
diào
dào
shang
地上
shuāi
huài
le
  

He used the newspaper to wrap the wood carving three layers outside the three layers strictly, afraid of falling to the ground broken.

3
chuān
穿
de
fu
衣服
sān
céng
wài
sān
céng
  
,
zhěng
整个
rén
dōu
chéng
le
qiú
le
  

The clothes you're wearing are three layers outside, and the whole person is a ball.