鐵齒銅牙 tiě chǐ tóng yá

DEFINITIONS

  1. clever and eloquent speaker (idiom)

CHARACTERS

鐵 tiě iron; strong, solid, firm
齒 chǐ teeth; gears, cogs; age; KangXi radical 211
銅 tóng copper, brass, bronze cuprum
牙 yá
HSK 3
tooth, molars, teeth; serrated