different用作形容词表示不同的，与众不同的，各式各样的等含义，可用作定语和表语。用作副词时表示不同地，用作名词时表示差异，不同。

1.different强调事物存在本质上的差别,有时有对比意义,可以修饰单数和复数名词。

2.different常接介词from、to或than,在英语中常用different to,在美语中有时用different than,而different from英美都用。在口语中, different from有时可接从句。

3.用作定语 ～+ n.

He wears a different tie every day.

他每天换一条领带。

Their three children all go to different schools.

他们三个孩子分别上不同的学校。

The balls of different colours are mainly calculated for decoration.

这些不同颜色的彩球主要作装饰用。

4.用作表语

（1）S+be+～

Things are very different now.

现在的情况已今非昔比。

It's impossible to generalize about children's books, as they are all different.

儿童读物五花八门,不可能一概而论。

（2）S+be+～+from n./pron.

Your view isn't much different from mine.

你的看法同我的看法并无多大区别。

Is the weather today much different from what it was yesterday?

今天天气同昨天有什么不同?

It would be different from what happened this morning.

这和上午发生的情况有所不同。

（3）S+be+～+of n./v -ing

She is different of success.

她对成功没有自信心。

I was different of saying so.

我这样说感到不好意思。

（4）S+be+～+than n./pron.

Their house is different than ours.

他们的房子与我们的不同。

（5）S+be+～+to n./pron.

His message is very little different to theirs.

他的消息与他们的没什么不同。

Roller-skating is very different to ice-skating.

穿旱冰鞋溜冰与在冰上溜冰大不相同。