sān / guó / gù / shi / lǐ / liú / bèi / guān / yǔ / hé / zhāng / fēi / jié / bài / chéng / yì / xìng / xiōng / dì

三国故事里，刘备、关羽和张飞结拜成异姓兄弟。

In the Three Kingdoms story, Liu Bei, Guan Yu, and Zhang Fei became sworn brothers of different surnames.