ㄎㄡˇkǒuㄍㄢgānㄕㄜˊshéㄗㄠˋzào

  1. 嘴巴缺乏水分覺得乾燥口渴任憑他說口乾舌燥大家依然充耳不聞。」口燥脣乾」。

lit. dry mouth and tongue (idiom)​; to talk too much