首先是的英文：
above all ;above all else

参考例句：

The solution then is to prevent the country from becoming a net debtor in the first place.
解决这个问题，首先是要防止一个国家成为净债务国。

Furthermore, the people's educational level is too low.
首先是文化素质不行。

First is the gathering of materials.
首先是收集资料。

He was above all a good and tireless writer.
他首先是位优秀的、不知疲倦的作家。

The first is continuing market concern about sovereign debt.
首先是市场对主权债务的持续担忧。

Resolution to information dissymmetry should begin with the obligation and function of government.
解决信息不对称，首先是政府的义务和职能

The policy of encouraging some people to get better off earlier was first carried out in rural areas
鼓励一部分人先富起来的政策首先是在农村中实行的

"I always have, and still feel firstly, Singaporean and secondly, Asian."
我一直都觉得我首先是个新加坡人，其次是个亚洲人。

"He's written many different kinds of things, but he's first and foremost a novelist."
"他写过许多不同性质的东西,但他首先是位小说家。"

A poet is ,before anything else, a person who is passionately in love with language.——Robert Frost
一位诗人首先是一位热爱语言的人。——奥登

all是什么意思：
adj. 一切的，所有的；整个的；各种的
pron. 一切；全部；大家，全体
n. 全部财产；所有一切
adv. 完全地；极其

The policy of burn all,kill all,loot all
三光政策

It is all on the house.
费用全由敝店支付。

(all) in a twitter
(极度) 紧张[兴奋],激动

It will all be copper.
里面通通都是铜币。

They are all incompetents.
他们都是些不胜任的人。

else是什么意思：
adv. 其他，另外；否则，要不然

EL usually stands for elevated railway in oral English.
EL在口语中通常代表高价铁道。

.in some gold-mining town called El Dorado in the middle of the amazon
.是在亚马逊河中游的一个叫做黄金国的开采黄金的镇子上拍的

Ernie Els is now the most successful golfer under the age of 30 in the world.
恩尼·埃斯是世界上最成功的30岁以下高尔夫球手。

He laments that people in Villa El Salvador are suspicious of the police.
他哀叹埃尔萨尔瓦多镇的居民居然不信任警方。

While diving in El Gouna, Egypt, I found this little guy.
在埃及的艾高娜潜水的时候，我发现了这个小家伙。