唇舌的英文：
ligula

To have wasted all one’s breath
费尽唇舌

A tonguelike structure in the labium of an insect.
中唇舌昆虫唇内的像舌状结构

"Okay, Pug. Now tell him I argued myself black in the face, as a war planner, against the North African campaign."
“那好，帕格。现在告诉他，作为一个制定作战计划的人，我费尽唇舌反对发动北非战役。”