铁齿铜牙 tiě chǐ tóng yá

DEFINITIONS

  1. clever and eloquent speaker (idiom)

CHARACTERS

铁 tiě
HSK 3
iron; strong, solid, firm
齿 chǐ
HSK 5
teeth; gears, cogs; age; simplified form of the KangXi radical number 211
铜 tóng
HSK 6
copper, brass, bronze
牙 yá
HSK 3
tooth, molars, teeth; serrated