我记得语法书上一般认为“no+比较级+than”的意思是“跟……一样不”。比如:
He is no richer than me. = He is as poor as me. 他跟我一样没有钱。
He is no taller than me. = He is as short as me. 他跟我一样不高。
但是,我今天看到《柯林斯高级英语用法词典》的以下解释,感觉不对啊!

《高考英语备考1号·速效编》
《高考英语备考1号·写作编》
《高中英语晨读晚记》
《高中英语错题笔记》
《零起点考大学英语》