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
as a little bird rests upon a man -- a timid and lovable little woman - xiǎo niǎo yī rén
be quite distinct from each other - jīng wèi fēn míng