1，no+so(as)+a./ad.(原级)+as=反义词比较级+than
例：Tom is no so(as) tall as John.=Tom is shorter than John.
2,not+so(as)+a./ad.(原级)+as=less+原级+than
例：Tom is not so(as) tall as John.=Tom is less tall than John.
3,不能与自身相比较。应借助other或else来表达排除。
1）比较级+than+any other+单数名词
例：Zhanglei is taller than any other student in his class.=Zhanglei is the tallest student in his class.
2)比较级+than+the other+复数名词
例：Mike is younger than the other boys in his class.=Mike is youngest in his class.
3)比较级+than+any +单数名词(anyone) else
例：He is fatter any +student (anyone) else in his class.=He is fattest
例：Beckham is more popular than
例：Tom is no so(as) tall as John.=Tom is shorter than John.
2,not+so(as)+a./ad.(原级)+as=less+原级+than
例：Tom is not so(as) tall as John.=Tom is less tall than John.
3,不能与自身相比较。应借助other或else来表达排除。
1）比较级+than+any other+单数名词
例：Zhanglei is taller than any other student in his class.=Zhanglei is the tallest student in his class.
2)比较级+than+the other+复数名词
例：Mike is younger than the other boys in his class.=Mike is youngest in his class.
3)比较级+than+any +单数名词(anyone) else
例：He is fatter any +student (anyone) else in his class.=He is fattest
例：Beckham is more popular than