铁交椅 tiějiāoyǐ secure post Origin Definitions Defs Strokes Stroke Words Sentences Sents 铁 鐵 tiě unshakeable certain; unalterable; beyond doubt交椅 jiāoyǐ position a position or post within a hierarchy; a leadership role, often used in the phrase 第一把交椅 dìyībǎjiāoyǐ to mean top leader or first place