三さん寸ずんの舌した

noun

eloquent tongue; silver tongue

Idiomatic expression referring to a persuasive or eloquent speaker. Literally 'a three-inch tongue', it emphasizes that a small tongue can have great power.

• 彼かれは三さん寸ずんの舌したで大おお勢ぜいの人ひとを説せっ得とくした。

  He persuaded many people with his eloquent tongue.