5. 含有否定词的比较级:

　　(1) no less than = as much (or many) as"多达"和not less than = at least"最少"

　　I have no less than (= as much as) 10,000 dollars.

　　He has not less than (= at least) 5 dollars.

　　(2) no less...than = as...as"和...一样"和not less + 原级 + than"至少不比...差; 也许比...更..."

　　She is no less rich than (= as rich as) her sister.

　　She is not less rich than her sister.

　　(3) no more than = only"只"和not more than = at most"最多"

　　He has no more than (= only) 10 dollars.

　　He has not more than (= at most) five.

　　(4) no more...than = not...any more than"和...一样不..."和not more...than = not so...as "没有到…的程度; 不像...那样..."

　　I am no more mad than you are. (= I am not mad any more than you (are). = You are not mad, nor am I).

　　He is not more generous than John. (= He is not so generous as John.)

　　7. more than的用法:

　　(1) = over"过多; …以上"

　　It takes more than an hour.

　　(2) 修饰名词、形容词、副词、动词或子句，表"远超过；何止"。

　　The story of the erupted island is more than a story.

　　She was dressed more than simply.

　　His merits more than offset his demerits.

　　It is more than I can understand. (= It is beyond my understanding.)

　　8. 有关比较级应注意事项:

　　(1) 句义相当或同类的东西, 才级比较.

　　Most of the highways in America are wider than Europe. (错)

　　Most of the highways in America are wider than those in Europe. (对)

　　(2) 使用比较级时, 必须把本身除外, 常于other或else连用.

　　This book is more interesting than any other book.

　　This book is more interesting than any book else.