Question

is not he his mother这是什么语法

英语翻译
He is no taller than his mother.
He is not taller than his mother.
这两句话分别表达了什么意思
两句话有着明确的本质区别

Answer 1

1.他和他妈妈一样不高（都不高）
no+比较级+than的意思是“与…一样不…”.
2.他没有他妈妈高（他不高他妈妈高）
给你个例子：
no more than同样不；仅仅,只有
1)He is no more than a worker.他仅仅是个工人.
2)It's no more than a misunderstanding.这只是个误会.
3)It is no more than ten minutes' walk from the station.由车站走到这里只有十分钟的路程.
not more than不比……更,不如；至多
1）He is not more diligent than you are.他不象你那样勤奋.（重点在 you are diligent .他也勤奋,但不如你勤奋.）
2)I'll stay here not more than three days.我将待在这里最多不超过三天.