竭力的英文：
do one's utmost

参考例句：

This is an advertising agency with all its jugglery of public sentiment
这是一家耍花样竭力投合公众心理的广告代理商。

Black person who associates with and is eager to please white people
汤姆大伯(与白人交往并竭力讨白人欢心的黑人)

She tried hard to blink away(back)her tears, but Gage could see that she had been crying
她竭力想眨掉眼泪，但盖奇还是能看出她哭过。

deliver a pitch
竭力推销

make a great effort;Bend/lean over backwards(to do sth)
努力竭力

She struggled to maintain her composure.
她竭力保持镇静。

Tried to tamper with the decedent's will
竭力篡改死者的遗嘱

Try to prevent an escalation of the war.
竭力防止战争升级。

I'm trying to keep my creditors at bay.
我竭力躲避债主。

Try to prevent an escalation of the war
竭力防止战争升级.

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。

One must drink as one Brews
自作自受

The voice of one man is the voice of no one
一个人的声音是没有力量的

utmost是什么意思：
adj. 极度的，最大的；最远的
n. 极限，极度，最大可能

Conservation is of the utmost importance.
保护自然资源至关重要。

She showed the utmost reluctance.
她显得极其勉强。

The cloth look elegant with the utmost of ease.
这衣服看起来优雅，穿起来舒适。

They have done their utmost to learn the techniques of production.
他们尽了最大努力去学习生产技术。

Don't walk to the utmost edge of the cliff.
不要走到悬崖的最边缘。