no… than 中 no 有形容词和副词两种词性,用法如下：
一、形容词
修饰名词表示“除了…不是别的”或“正是”,如：,
It was no other than my mother. 这正是我的母.
He has no friends than you.他除你以外没有别朋友.
二、副词
1、用在形容词、副词的比较等级前表示“不比…差不多与…一样不”或“”,如：
He is no wiser than you.他不比你聪明多少.
I know you better than he (does).我不比他更了解你.
2、经常用于no more than（只不过/无非）和 no less than（不亚于/多达）两种结构,如：
Death is no more than passing from one room into another.死亡只不过是从一个房间进入另一个房间.
Three thousand dollars is no more than a fraction. 3000美元充其量只是一部分.
She's no less active than she used to be.她和以往一样的活跃（他的活跃程度不亚于以往）.
He won no less than ￡5000 in the lottery.他居然中了5000英镑的奖券（他中了多达5000英镑的奖券）.