Search the dictionary A Chinese word or character, or English Search 4 entries. tiěchǐ 铁齿 obstinate tiěchǐ 鐵齒 obstinate tiěchǐtóngyá 铁齿铜牙 clever and eloquent speaker (idiom) tiěchǐtóngyá 鐵齒銅牙 clever and eloquent speaker (idiom)