He is no older than 30.There isn't much difference. He is not older than 30 is a more confident statement. When I use "no ___ than" it is with less certainty, and leaves room for …
no 作“毫不”、“并不”解时，只能用于修饰比较级副词，或用作表语的比较级形容词。例如以下例句摘自《薄冰英语惯用法词典》： Some bamboos grow no higher than your ankles. 有些竹子长得还没有你 …
no+比较级+than是一种表示否定比较的语法结构，意思是“与……一样不……”，相当于as+原级+as的否定形式。 如： He is no taller than me. 他和我一样不高（即一样矮）。 This book is no more …
口语中，no more than比not more than 用的多了去，原因就是它有情绪化的含义。 （no better than 之类，还要分涉及品质与不涉及品质的情况，这里不展开了） (a)She couldn't be any more bored …
形容词比较级常与 than 连用，用 than 引出要比较的另一个事物，而最高级常用 of，in 或 among 等引出比较的范围，例如： A bus is bigger than a car. 公共汽车比汽车大。
更多内容请点击："He is no older than 30." 和 "He is not older than 30." 和有 ...