female friends or sisters collectively

female cousins who share a different surname, specifically the daughters of one's father's sisters or one's mother's siblings

brothers and sisters; siblings

two literary or artistic works on the same theme or that share a close relationship

A pair or group of beautiful sisters; also used to describe close female friends who are both attractive

brothers and sisters related through the marriage of their parents rather than by blood

an educational institution that has formed a formal relationship with another for exchange or cooperation

Two cities from different countries or regions that form a legal or social agreement to promote cultural and commercial ties; also called [[友好城市|友好城市|you3 hao3 cheng2 shi4]] or [[姐妹市|姐妹市|jie3 mei4 shi4]].

Two cities that form a friendly relationship to promote economic and cultural exchange.