at first

at the beginning; in the initial stage or stages

首先；最初，開始；初期

at first Hugo tried to be patient.

開始，雨果還想耐心一點。

at first glance

at first Hugo tried to be patient.

開始，雨果還想耐心一點。

at first hand

at first Hugo tried to be patient.

開始，雨果還想耐心一點。

at first instance

at first Hugo tried to be patient.

開始，雨果還想耐心一點。

at first sight

at first Hugo tried to be patient.

開始，雨果還想耐心一點。

the first among equals

at first Hugo tried to be patient.

開始，雨果還想耐心一點。

first blood

at first Hugo tried to be patient.

開始，雨果還想耐心一點。

first come, first served

used to indicate that people will be dealt with strictly in the order in which they arrive or apply

先到者先受款待（表示嚴格按先后次序辦事）

tickets are available on a first come, first served basis.

售票實行先來先售予的原則。

first and foremost

most importantly; more than anything else

最重要的是，首要的是

Delhi was first and foremost a barracks town.

德里首先是、也主要是一座軍營城。

first and last

fundamentally; on the whole

根本上；總體上

museums are first and last about curatorship.

博物館的好壞從根本而言與其管理者有關。

first of all

before doing anything else; at the beginning

首先；最初

first of all, let me ask you something.

首先，讓我先問你點事情。

first off

(informal, chiefly N. Amer.)as a first point; first of all

(非正式，主北美)首先

first off, I owe you a heck of an apology.

首先，我真的應該向你道個歉。

first past the post

(of a contestant, especially a horse, in a race) winning a race by being the first to reach the finishing line

（參賽者，尤指賽馬）第一個到達終點

first thing

early in the morning; before anything else

一大早；首先

I have to meet Josh first thing tomorrow.

我明天一大早就得去接喬西。