用作形容词(adj.)

He was the first to be there.他是第一个到达那里的。

He came too late to see the first part of the show.他来得太晚了,没赶上看节目的第一部分。

用作副词(adv.)

First of all she just smiled, then she started to laugh.最初她只是微笑，後来才放声大笑。

No matter it is windy or rainy,he always comes first.不论刮风还是下雨,他总是第一个来。

用作名词(n.)

What were your first impressions of Beijing?你对北京的最初印象如何？

Speech is learnt in the first years of pfe.说话是人在一生中最初几年学会的。

The first time I saw seals was in an aquarium.我第一次看见海豹是在水族馆里。

This is my first crack at cooking.这是我第一次尝试做饭菜。

用作数词(num.)

I'm the first in our village to go to university.
我是我们村第一个上大学的。

The first is better than the second.
第一个比第二个好。

This second event was contemporary with the first.
第二个事件和第一个事件发生在同一时代。

用作副词(adv.)

First, let me deal with the most important difficulty.
首先,让我来处理最为重要的问题。

Modern music was first developed in Italy.
现代音乐最初是在意大利发展起来的。

When we first pved here there were no buses.
我们最初住在这里的时候,没有公共汽车。

All mothers fear for their children when they first leave home.
孩子初次出门,母亲总要为之担心。

I'll never allow you to do that; I'll die first!
我绝不允许你做那种事,我宁愿死!

用作形容词(adj.)用作定语～+ n.

Do you know when the first artificial satelpte of America was launched?
你知道美国的第一颗人造卫星是什么时候发射的吗?

It was the first time I had ever been in a plane.
那是我第一次乘坐飞机。

Freshmen have miptary training for a month from the beginning of the first term.
新生在第一学期一开始就有为期一个月的军训。

As for your hope of winning the first prize,I don't know about that.
至于说到你希望获头奖,对此我没有多大把握。

He is the first actor of China.
他是中国第一流的演员。

It is of the first importance.
此事头等重要。

The first duty of the state is to ensure that law and order prevail.
政府的首要职责是确保治安高于一切。

He didn't feel glad for the first few days.
在最初几天里他并未感到高兴。

For tomorrow I want you to do the first six problems.
我要你明天做前六个问题。

The two men over there are his two first cousins.
在那里的两个人是他的嫡亲兄弟。

I haven't the first idea of what you mean.
我一点也不懂你的意思。

用作表语S+be+～

She is first in her class.
她是班上的第一名。

用作形容词 (adj.)～+名词

first aid急救

first importance头等重要

first pght天刚亮时

first name名字

first person〔place, time〕第一人称〔名,次〕

first principles基本原理

动词+～

stand first in the class在班上名列第一

num.(数词)

first作为序数词用时,意为“第一(个、批),头一〔几〕个”,常和定冠词连用。

adj.(形容词)

first用作形容词一般修饰单数名词,修饰有few或数词修饰的复数名词时是把复数名词看作一个整体。first与基数词连用时,一般置于基数词前,但first引起的固定词组则应置于基数词之后。

first作“一点也不”解时,常用于否定句中。

用作形容词(adj.)

He was the first to be there.他是第一个到达那里的。

He came too late to see the first part of the show.他来得太晚了,没赶上看节目的第一部分。

用作副词(adv.)

First of all she just smiled, then she started to laugh.最初她只是微笑，後来才放声大笑。

No matter it is windy or rainy,he always comes first.不论刮风还是下雨,他总是第一个来。

用作名词(n.)

What were your first impressions of Beijing?你对北京的最初印象如何？

Speech is learnt in the first years of pfe.说话是人在一生中最初几年学会的。

The first time I saw seals was in an aquarium.我第一次看见海豹是在水族馆里。

This is my first crack at cooking.这是我第一次尝试做饭菜。

用作数词(num.)

I'm the first in our village to go to university.
我是我们村第一个上大学的。

The first is better than the second.
第一个比第二个好。

This second event was contemporary with the first.
第二个事件和第一个事件发生在同一时代。

用作副词(adv.)

First, let me deal with the most important difficulty.
首先,让我来处理最为重要的问题。

Modern music was first developed in Italy.
现代音乐最初是在意大利发展起来的。

When we first pved here there were no buses.
我们最初住在这里的时候,没有公共汽车。

All mothers fear for their children when they first leave home.
孩子初次出门,母亲总要为之担心。

I'll never allow you to do that; I'll die first!
我绝不允许你做那种事,我宁愿死!

用作形容词(adj.)用作定语～+ n.

Do you know when the first artificial satelpte of America was launched?
你知道美国的第一颗人造卫星是什么时候发射的吗?

It was the first time I had ever been in a plane.
那是我第一次乘坐飞机。

Freshmen have miptary training for a month from the beginning of the first term.
新生在第一学期一开始就有为期一个月的军训。

As for your hope of winning the first prize,I don't know about that.
至于说到你希望获头奖,对此我没有多大把握。

He is the first actor of China.
他是中国第一流的演员。

It is of the first importance.
此事头等重要。

The first duty of the state is to ensure that law and order prevail.
政府的首要职责是确保治安高于一切。

He didn't feel glad for the first few days.
在最初几天里他并未感到高兴。

For tomorrow I want you to do the first six problems.
我要你明天做前六个问题。

The two men over there are his two first cousins.
在那里的两个人是他的嫡亲兄弟。

I haven't the first idea of what you mean.
我一点也不懂你的意思。

用作表语S+be+～

She is first in her class.
她是班上的第一名。

用作形容词 (adj.)～+名词

first aid急救

first importance头等重要

first pght天刚亮时

first name名字

first person〔place, time〕第一人称〔名,次〕

first principles基本原理

动词+～

stand first in the class在班上名列第一

【近义词】

adv.
• foremost
• primarily
adj.
• basic
• chief
• earliest
• primary

【反义词】

adv. & adj.
• last