first/'fɜːst $ 'fɜːrst/

num. 1^st; happening or coming before all the other things or people in a series

ad. before anyone or anything else

n. [the ~] the first person or thing; the first persons or things

谚语First things first. 最重要的事最先做（或：须急当务之急）。

辨析above all; first of all

辨析first; first of all; firstly; at first

num. 第一的；首次的；最初的：the first class in the morning 上午第一节课

◇The first time I saw her she was only a student. 我第一次见到她时，她还是个学生。

◇He won first prize in the competition. 他赢得了比赛的一等奖。

◇the first two months 头两个月

ad. 首次，最先：He finished the exam first. 他最先考完。

◇When did you first meet each other? 你们首次见面是什么时候？

n. [the ~] [C]第一个（人或物）；第一批（人或物）：[the first to do sth] He was the first to speak. 他第一个发言。

◇They were the first to arrive. 他们最先到。

at first 起初，刚开始时：At first he didn't like English. 刚开始时，他并不喜欢英语。

first of all 首先，第一：First of all, I'd like to introduce myself. 首先，我要作自我介绍。

音组-irst/-ɜːst $ -ɜːrst/

first; thirst

常犯错误

✗ This is the first time I came here.

✓ This is the first time I've been here. 这是我第一次到这儿。

[✌it is/was the first time后面的从句要用完成时，此结构与The first time I saw her she was only a student.不同]

常犯错误

✗ It was the first company producing personal computers.

✓ It was the first company to produce personal computers. 这是第一家生产个人电脑的公司。

常犯错误

✗ First he found English difficult, but now he is good at it.

✓ At first he found English difficult, but now he is good at it. 一开始他觉得英语很难，但现在他掌握得很好了。