一开始的英文：
first off

参考例句：

Lynn decided to pass out the presents at the beginning of the party.
琳决定宴会一开始就分发礼物。

Our holiday got off to a flying start because the weather was good and the trains were on time.
我们度假一开始就大吉大利，天气很好，火车也都准点。

Almost from its inception it follows a developmental pattern sharply divergent from that of the zygote.
它几乎一开始就遵循与合子显然不同的发育模式。

Many people think they are and like to play zhuangbility, which only reflect their shability
一开始没反应过来，之后是爆笑收场。哈哈，真是只有中国人才能看得懂。

The difference between an ordinary and a partial derivative was at first not explicitly recognized.
通常的导数与偏导数的区别在一开始并未被人们明确地认识。

The bond drive got off to a flying start when two wealthy citizens subscribed for ten thousand dollars worth each.
那债券推销运动一开始就很顺利，有两个有钱人各认购了10000美元。

Originally Edison used platinum alloys for the filament, in the belief that carbon was impracticable.
爱迪生不相信碳可作灯丝用，所以一开始就用铂合金作灯丝。

There have been difficulties with this firm right from the outset.
公司一开始就困难重重。

The plan was beset with difficulties from the beginning.
该计划一开始就困难重重。

The kickoff was a total success.
事情一开始就很成功。

first是什么意思：
adj. 第一的；最初的
adv. 第一，最初；首先；宁愿
n. 显着成就；第一个人或事物

the First International
第一国际（1864－1876）

first approximation
第一次近似;第一近似值;初步近似;一次近似值;一级近似;首次近似

There was a hush at first.
先是一阵寂静。

It was semimonthly at first.
它一开始是半月发行一次的。

'The First Day' is their first collaborative album.
《第一天》是他们的首张合作专辑。

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断

take off clearance = clearance for take off
起飞许可

They panned off the sand and dirt.
他们用淘金盘淘去砂泥。