I'm in the same room
Chinese idiom, Pinyin is C ā og ē t ó onsh ì, meaning fratricidal brothers or internal disputes. It's from the great president's advice to the officers and men of the northern army.
The origin of Idioms
Sun Yat Sen's "the great president's admonition to the officers and men of the northern army" said: "with the selfish intention of the Manchu people to steal their positions, they opened up the tragedy of the Han people's hatred and killing, acted in the same room and made fun of outsiders."
Idiom usage
It refers to internal struggle.
I'm in the same room
in one 's humble position , one 's word does not carry much weight - rén wēi yán qīng
have everything that one expects to find - yīng yǒu jìn yǒu
have all sorts of doubts and conjectures in one 's mind - mǎn fù hú yí