首先的英文：at first；
first：adv.首先;第一;最初;第一次;首次;(列举时用)第一。
相关介绍If at first you don't succeed, try, try again.
（图片来自网络侵删）
一次不成功就反复尝试。
You may find it somewhat overwhelming at first.
起初你可能觉得它有些无法抗拒。
At first glance the problem seemed easy.
乍一看问题似乎很简单。
I found the job tiring at first but I soon got used to it.
起初我觉得这份工作很累人，但很快就习惯了。
The President visited the area to see the devastation at first hand.
总统亲临该地区视察受损情况。
