If someone takes you by the scruff of the neck, they take hold of the back of your neck or collar suddenly and roughly.
例句
He picked the dog up by the scruff of the neck.他一把抓住狗的脖子把它拎起來。
英漢詞典釋義
n.
頸背
<英,非正>邋遢人
揪住人(或動物)的頸背
The barman took her by the scruff of the neck and threw her out.酒吧男招待一把揪住她的頸背，將她扔了出去。The cat picked up her kitten by the scruff of its neck.貓咬住幼崽的后頸把它叼了起來。