first/ fəːst /

1.adjective
(in series) 第一的

For the first time in our lives...
我们生命中的第一次…
2.adjective [+reaction] [ impression] 
(initial) 最初的

My first reaction was one of horror.
我最初的反应是害怕。
3.adjective [+prize] [ division] 
(top) 头等的

She won first prize.
她得了头等奖。
4.adjective [+row] 
(front) 第一的

We had seats in the first row.
我们的座位在第一排。
5.adjective [+duty] [ responsibility] 
(main) 首要的

My first duty is to my patients.
我首先要对病人负责。
6.adverb [speak] [ arrive+] 
(before anyone else) 首先

Jenny spoke first.
珍妮首先发言。
7.adverb
(before other things) 首先

But first I had to get a visa.
但是首先我得先拿到签证。
8.adverb
(when listing reasons) 第一

There were several reasons for this. First, four submarines had been sighted.
这有几个原因。第一,发现了4艘潜水艇。
9.adverb
(for the first time) 第一次

Sophie and Dave first met in the summer of 1910.
索菲和戴夫第一次是在1910年夏天相遇。
10.adverb [come] [ finish+] 
(in race,competition) 第一名

Johnson came first in the one hundred metres.
约翰逊在一百米跑比赛中获得第一名。
11.noun [u] [Auto] 
(also: first gear) 一挡

I changed down into first.
我换到了一挡。
12.noun [c] [BRIT] [大学] 
甲等

He got a first in French.
他的法语得了甲等。
13.noun [c] 
(event) 首次

The meeting between financial analysts was a first for the company.
金融分析家之间的会议在公司里是首次。
at first
起先
first of all
首先
the first of January
1月1号
in the first instance
起初
I'll do it first thing tomorrow
明天我首先做这件事
from the (very) first
从(最)一开始
to put sb/sth first
把某人/某事放在第一位
at first hand
直接地
the first I heard/knew of it
最初我所听到的/所知道的