1. 表示“比...更”，用比較級(jí)形容詞+than+比較成分，表示前者“超過(guò)”后者。than后主語(yǔ)的述語(yǔ)動(dòng)詞往往省略，非正式用法的than后的人稱(chēng)代名詞可用賓格。

I am a better swimmer than you (are).

我游泳比你好。

But you are taller and stronger than I (am).

但是你比我高，比我壯。

Just because you are shorter and weaker, is that the reason you become a slower swimmer than me?

僅僅因?yàn)槟惚任野任胰酰陀欣碛杀任矣蔚寐龁幔?/p>

2. 否定的比較級(jí)表示“較...低；不及...”，用less+原級(jí)形容詞+than+比較成分，表示前者不及后者。

I have always tried to help those who are less fortunate than I.

我一直設(shè)法幫助比我不幸的人。

At least you are less generous than I.

至少你沒(méi)有我慷慨。