n.懒人，无用之人
adj.无用的，无益的

原形：good-for-nothing复数：good-for-nothings

He's just a good-for-nothing who never helps around the house.
他就是个无所事事的人，从不帮忙做家务。
She called him a good-for-nothing after he failed to fix the leaky faucet.
在没能修好漏水龙头后，她称他为无用之人。
He's been unemployed for months and does nothing but sit on the couch all day; he's such a good-for-nothing.
他已经失业几个月了，整天只知道躺在沙发上，真是个废物。
The boss threatened to fire any good-for-nothing employee who didn't meet their sales targets.
老板威胁要解雇任何未能达到销售目标的无用员工。
His parents disowned him because they thought he was a good-for-nothing drug addict.
他的父母因为认为他是一个无药可救的瘾君子而与他断绝关系。
The lazy, good-for-nothing neighbor always lets his dog bark all night long.
那个懒惰、无用的邻居总是让他的狗整夜吠叫。
After years of being called a good-for-nothing by her family, she finally decided to prove them wrong.
在被家人称为无用之辈多年后，她终于决定证明他们是错的。
I can't believe you're still friends with that good-for-nothing liar!
我不敢相信你竟然还和那个无用的骗子是朋友！
The good-for-nothing roommate never pays rent on time and leaves the apartment in a mess.
那个无用的室友从未按时交房租，还把公寓弄得一团糟。
Don't waste your time dating that good-for-nothing guy; you deserve better!
别浪费时间跟那个无用的家伙约会了，你应该得到更好的！