二 èr, two/2/(Beijing dialect) stupid 建 jiàn, to establish/to found/to set up/to build/to construct 键 jiàn, [鍵], key (on a piano or computer keyboard)/button (on a mouse or other device)/chemic... 廴 yǐn, "long stride" radical in Chinese characters (Kangxi radical 54), occurring in 建,... 聿 yù, (arch. introductory particle)/then/and then 肀 钅