1
a good-for-nothing
常用不定冠词修饰，表示泛指一个无用的人。
He is a good-for-nothing.
他是个无用之人。
无用的人；饭桶
先理解核心含义，再看它在真实句子里的用法。
无用的人；饭桶
A worthless or idle person.
He is a good-for-nothing.
他是个无用之人。
没有价值或用处的人
A person of little worth or usefulness.
游手好闲的无用之人
an idle worthless person
His father always told him not to become a good-for-nothing.
他父亲总是告诉他不要成为一个无用之人。
The lazy employee was fired for being a complete good-for-nothing.
那个懒惰的员工因为完全是个废物而被解雇了。
They looked down on those good-for-nothings who never worked.
他们看不起那些从不工作的无用之辈。
常用不定冠词修饰，表示泛指一个无用的人。
He is a good-for-nothing.
他是个无用之人。
定冠词特指某个特定的无用之人。
The good-for-nothing never works.
那个废物从不工作。
复数形式，指多个无用之人。
Those good-for-nothings are lazy.
那些废物很懒。
用于强调，表达强烈的贬义。
I have never met such a good-for-nothing.
我从未见过这样的废物。
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.