shoulder to shoulder and arm in arm
Shoulder to shoulder, a Chinese idiom, Pinyin is "Iji" nd "B è I, which means to describe extremely intimate appearance. From Chapter 9 of officialdom reform.
Analysis of Idioms
Shoulder to shoulder
The origin of Idioms
"Officialdom reform" Chapter 9: "xiaoyufeng saw that it was the adult of the police station. She threw away all the guests and slipped into the room. She sat shoulder to shoulder with yuan Bozhen."
Idiom usage
It can be used as predicate and attribute to describe intimate relationship. By looking at their shoulder to shoulder, we know they are good friends.
shoulder to shoulder and arm in arm