換帖兄弟 huàntiěxiōngdì sworn brothers Origin Definitions Defs Strokes Stroke Words Sentences Sents 换帖 換帖 huàntiě to become sworn brothers to exchange cards containing personal data to become sworn brothers; an old custom of taking an oath of fraternity兄弟 xiōngdì noun sworn brother a close friend who is like a brother; person sharing the same ideals