"nothing" 是一个 代词、 名词和 副词。
代词:
表示“没有东西”或“没有事情”,可以用作主语、宾语或表语。例如:
There is nothing here.
I have nothing to say.
名词:
表示“无”或“零”,通常用于抽象概念。例如:
In the mathematics problem, there was nothing correct.
She achieved nothing in her career.
副词:
表示“毫不”或“决不”,用于修饰动词、形容词或其他副词。例如:
She knew nothing about the subject.
He did nothing all day.
"nothing" 还可以与其他词组合形成短语,如 "nothing but"(仅仅,只不过),"nothing short of"(除了……之外,全是)等。
综上所述,"nothing" 是一个多义词,根据上下文的不同可以具有不同的词性和含义。