Correct

入乡随俗

/ rù xiāng suí sú / 
Strokes
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Collocation

1
入乡随俗很重要
2
应该入乡随俗
3
学会入乡随俗
4
要入乡随俗嘛
5
只好入乡随俗

Definition

入乡随俗

Literally means:

when in Rome does the Romans do

Actually means:

It means when one goes to a certain place, he is supposed to follow the local rules and customs.

指到了某一地方,就遵从当地的风俗习惯。

Example

Used as predicate, object or subject. (作谓语、宾语、主语)
1
Tā
他
dào
到
liǎo
了
xīnjiāngrén
新疆人
jiālǐ
家里
zuòkè
做客
  
,
zhǐhǎo
只好
rùxiāngsuísú
入乡随俗
  
,
yě
也
chī
吃
qǐ
起
yángròu
羊肉
lái
来
  
,
jǐnguǎn
尽管
tā
他
yǒudiǎn
有点
bù
不
xíguàn
习惯
  
。

He went to the Xinjiang people's home as a guest, had to go into the countryside with the common customs, but also eat lamb, although he is a little unaccustomed.

2
Dào
到
liǎo
了
yúnnán
云南
Guìzhōu
贵州
děng
等
dì
地
  
,
yīdìng
一定
yào
要
rùxiāngsuísú
入乡随俗
  
,
zūnzhòng
尊重
shǎoshùmínzú
少数民族
de
的
fēngsú
风俗
xíguàn
习惯
  
,
bìmiǎn
避免
fànjì
犯忌
  
。

To Yunnan Guizhou and other places, we must go to the countryside, respect the customs and customs of ethnic minorities, to avoid taboos.

3
Xiāo
销
wǎng
往
guówài
国外
de
的
chǎnpǐn
产品
yě
也
yào
要
rùxiāngsuísú
入乡随俗
  
,
cái
才
néng
能
shòudào
受到
xiāofèizhě
消费者
de
的
huānyíng
欢迎
  
。

Products sold abroad should also go into the countryside, in order to be welcomed by consumers.