力争的英文：
work hard for
do all one can to
contend strongly

参考例句：

The president was against the ides,but the club members rammed it down his throat.
主席反对此意见，但俱乐部会员们力争迫使他接受。

Strive for accuracy
力争确切

Make the best of a Bad Business (or job or Bargain)
身处山穷水尽,力争柳暗花明

Doubled one’s efforts in a bid to renew product variety and upgrade product quality
加倍努力，力争创新创优

Shoot for gradual, long-term progress
力争渐进、长期的进步。

The journalist tried to gain admittance to the minister’s office.
记者力争获得进入部长办公室的权利。

Strive to turn Shanghai into a prosperous Cosmo polis in the shortest possible time
力争早日把上海建设成为一座繁荣的国际大都市

The scientists strive for a breakthrough in cancer research.
科学家们力争在癌症研究方面有个突破。

I don't think that he will argue the money award for you
我不认为他会为你力争这笔奖金。

He should have fought for his rights, but he surrendered to political pressure.
他本应力争自己的权利，但他却屈服于政治压力。

work是什么意思：
n. 工作；职业；工厂；工作地点；产品；功；操作；作品；工程
v.（使）工作；操作；运作；起作用；使缓慢前进；经营

the works of a clock
钟的活动部件

conscientious work
本着良心做的工作

The work is not advancing.
工作没有进展。

hard是什么意思：
adj. 硬的，坚固的；困难的；有力的；冷酷无情的
adv. 努力地；困难地；严重地，猛烈地

It is hard to conclude.
这很难断定。

It is blowing hard.
风刮得很大。

It was sleeting hard.
雨雪霏霏。

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