Correct

同根生

/ tóng gēn shēng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/同根生-Chinese-idioms-Cchatty-eb47e086-93da-46a1-aac6-ed084eeaf785-1612776691.jpg

Collocation

1
同根所生的东西
2
两人本是同根生
3
兄弟同根共生

Definition

同根生

Literally means:

have the same root

Actually means:

be of the same origin

It figuratively means two people or things are of the same origin.

比喻人或事物有着共同的本源。

Example

Used as predicate or object, and it can have other words in between. (作谓语、宾语中间可以插入别的词语)
1
men
你们
xiōng
兄弟
běn
shì
tónggēnshēng
同根生
  
,
yǒushì
有事
wèishénme
为什么
jiù
néng
hǎohǎo
好好
shāngliang
商量
  
,
hǎohǎo
好好
xiézuò
协作
ne
  
?

Your brother is the same root, why can't you discuss and collaborate well?

2
Zhè
liǎng
shī
xīng
兄弟
tóng
gēn
gòngshēng
共生
  
,
xīn
心意
xiāngtōng
相通
  
,
zài
tái
舞台
shàng
de
dòngzuò
动作
pèi
配合
默契
  

These two division brothers live together with the roots, the heart is connected, the action on the stage with tacit understanding.

3
Zhè
liǎng
jiā
gōng
公司
běn
shì
tónggēnshēng
同根生
  
,
jīngcháng
经常
wèile
为了
各自
de
利益
chūxiàn
出现
xiāng
互相
shā
厮杀
de
qíngkuàng
情况
  

The two companies were born with the same roots, but often "kill" each other for their own benefit.