not less ... than
结构︰not less ... than
说明︰此句型意为“没有比…更少；至少与…一样”。等于“at least as ... as”。
She is not less beautiful than Mary. 她至少和玛丽一样美丽。
He is not less interested in composing music than Jane. 他至少跟珍一样对谱曲很感兴趣。
He is not less handsome than I. 他至少跟我一样潇洒。
no more than ...
结构︰no more than 名词
说明︰此句型意为“仅仅…”。等于“only <名词>”，强调稀少。
It will take no more than five days to read the book. 不到五天，我就会把这本书读完。
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。
I had no more than 2 or 3 mistakes on my English assignment.
我的英文作业中只有两三处错误。
no less than ...
结构︰no less than 名词
说明︰此句型意为“多达…；足足有…之多”。等于“as many/much as ...”，强调多。
I received no less than ten thousand yen for my work. 我的工资多达一万元。
The audience was no less than five thousand. 听众有五千人之多。
That hotel probably costs no less than 20 dollars a night.
那间旅馆的住宿费大约要20元一晚呢。
No less than ten students flunked the exam. 整整有十位学生在这次考试中不及格。
not more than ...
结构︰not more than 名词