副词
adv.(副词)
Used to express refusal,denial,disbelief,emphasis,or disagreement:
不:用来表达拒绝、否定、不相信、强调或不同意:
No,I'm not going.No,you're wrong.
不,我不去.不,你错了
Not at all; not by any degree.Often used with the comparative:
完全不;在任何程度上都不.经常用来比较:
no better; no more.
不更好;不更多
Not:
不是:
whether or no.
是或否
当然也可以是名词和形容词,这种东西还是自己找字典的好:)