humorous
if someone is dead from the waist down, they do not experience sexual excitement.
It's no good flirting with him - he's dead from the waist down.
英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。