coming before all others; number one
She was the first person to arrive at the party.
她是第一個到達派對的人。
most important or best
Your first priority should be your health.
你的首要任務應該是你的健康。
before anyone or anything else
Please finish your homework first before playing.
請先完成作業再玩。
for the first time
I first visited Paris when I was twenty.
我第一次訪問巴黎是在二十歲的時候。
used to introduce the first point in a list
First, let me introduce myself to the group.
首先,讓我向大家介紹一下自己。
used to show strong determination not to do something
I would quit my job first before working for that company.
我寧願辭職也不願為那家公司工作。
the person or thing that comes before all others
He was the first in his family to graduate from college.
他是家裡第一個大學畢業的人。
the earliest time something is known
The first I heard about the meeting was this morning.
我今天早上才第一次聽說這個會議。
the most likely person or thing
Teachers are often the first to notice learning problems.
教師通常是最先發現學習問題的人。
something done or experienced for the first time
Flying was a first for both of us and very exciting.
飛行對我們兩人來說都是第一次,非常令人興奮。
the lowest gear for slow movement
Put the car in first when starting on a hill.
在山坡上起步時,將車掛入一檔。
the highest level of university degree in the UK
She worked hard to get a first in her degree.
她努力學習以獲得一等學位。