掉三寸舌diào sān cùn shé

wag one’s tongue/go about selling an idea; go about drumming up support for sth; go canvassing
❍ 且郦生一士，伏轼掉三寸之舌，下齐七十余城。(《史记·淮阴侯列传》2620) Li Yiqi,a single orator,just by bowing from his carriage and wagging his tongue,has made the seventy-odd towns of Qi surrender.

掉三寸舌diào sān cùn shé

鼓动三寸的舌头。形容有雄辩之才。“掉”，鼓动。《史记·淮阴侯传》：“郦生一士，伏轼掉三寸之舌，下齐七十余城。”汉·扬雄《解嘲》：“掉三寸之舌，建不拔之策。”

掉三寸舌diào sān cùn shé

摆动唇舌。指用言辞打动或驳倒对方。多指游说。

掉三寸舌diào sān cùn shé

《史记·淮阴侯列传》： “且郦生一士，伏轼掉三寸之舌，下齐七十余城。”掉：摇动。即摇动三寸的舌头。指为某事游说。