"no" 的意思是 不，它可以作为副词、名词、感叹词和形容词使用。以下是一些具体的用法和例句：
副词 ：用于表示否定、拒绝或否认。例句
I don't want to go out tonight.
She can't come to the phone right now.
名词：表示否定的回答、反对票或否决票。
例句 The answer to the question is no. He voted no in the election.感叹词
：用于表示惊讶或否定。
例句 Oh no, I forgot my wallet at home! No way, I can't finish this work today.形容词
：表示没有或不是。
例句
There is no milk in the fridge.
That's not what I expected.
在考研中，"no" 通常用于表达否定或拒绝某个观点、陈述或问题。例如：
"I don't understand the question, could you please rephrase it？"
"No, I don't agree with your proposal."
希望这些解释和例句能帮助你更好地理解 "no" 的用法。