large and big, little and small

big [adj.]：大的
係用黎強調""重量體積""的大
e.g. This whale is very big.

large [adj.]：都係指大...但係唔同的地方係：
指""area""的大或寬敞...亦可以指大量
e.g. Your flat is very large.

small [adj.]：小的
指在體積、area、數量上較一般小或少
e.g. She is small for her age.

little [adj.]：都係指小/少的...唔同的地方係：
指形狀小、數量少等，含有感情的意味
She is a lovely little girl.

P.S. 想知多D??可參考牛津大詞典 or Yahoo字典...