effort

名词 effort:

1. earnest and conscientious activity intended to do or accomplish something
   同义词：attempt, endeavor, endeavour, try
2. use of physical or mental energy; hard work
   同义词：elbow grease, exertion, travail, sweat
3. a series of actions advancing a principle or tending toward a particular end
   同义词：campaign, cause, crusade, drive, movement
4. a notable achievement
   同义词：deed, feat, exploit

1. Your effort is bound to be successful.
   你的努力一定会成功的。
2. Your success lies upon your effort.
   你成功与否取决于你的努力。
3. Put more effort into your work.
   你要更加努力地工作。
4. It's quite an effort to lift this heavy box.
   抬起这只沉重的箱子要花费相当大的力气。
5. Despite all our efforts we still lost the game.
   尽管我们尽了全力，我们还是输掉了比赛。

ef.fort

n.（名词）
The use of physical or mental energy to do something; exertion.
努力：耗费精神或体力来做某事；费劲
A difficult exertion of the strength or will:
费神的事，困难的事：艰难地耗费精力或毅力：
例句：
It was an effort to get up.
起床是件费劲的事

A usually earnest attempt:
尽力：常指非常认真的尝试：
例句：
Make an effort to arrive promptly.
尽力早些赶到

Something done or produced through exertion; an achievement:
成就，成果：通过努力而能做到的或做出的事；成果：
例句：
a play that was his finest effort.
一部可作为他的最佳成果的戏剧

Physics Force applied against inertia.
【物理学】 作用力：对惯性施加的一种力

来源：
Middle English
中古英语
from Old French esfort
源自 古法语 esfort
from esforcier [to force, exert]
源自 esforcier [用力，使劲]
from Medieval Latin exforti3re
源自 中世纪拉丁语 exforti3re
Latin ex- [ex-]
拉丁语 ex- [前缀，表.出.]
Latin fortis [strong] * see bhergh- 2
拉丁语 fortis [强大的] *参见 bhergh- 2

【引伸】
ef.fortful
adj.（形容词）
ef.fortfully
adv.（副词）
<参考词汇><同义词>effort,exertion,endeavor,application,pains,troubleThese nouns refer to the expenditure of physical or mental energy to accomplish something.
这些名词表示为完成某事而耗费体力或精力。
Effort applies to an attempt, great or small, to do something;where it is not qualified, the term usually implies a substantial expenditure of time, strength, or faculties:
Effort 指或大或小的尝试来做某事，没有其它限定词时，常表示花了不少时间、精力或人力：
例句：
.What is written without effort is in general read without pleasure. (Samuel Johnson).
.不费劲写出的东西常会读之无趣. （塞缪尔·约翰生）。

Exertion implies the exercise of vigorous effort:
Exertion 表示充沛精力的耗费：
例句：
.England has saved herself by her exertions. (William Pitt the Younger).
.英格兰通过自己的努力解救了自己. （小威廉·庇特）。

Endeavor suggests earnest striving to achieve a serious goal:
Endeavor 意指完成某一严肃的目标而努力：
例句：
.There must be positive endeavors to preserve peace. (Franklin D. Roosevelt).
.肯定会有人尽力维护和平的. （弗兰克林·D·罗斯福）。

Application connotes diligence, persistence, and hard work:
Application 暗指勤奋、持之以恒和努力工作之意：
例句：
He succeeded in his studies by dint of steadfast application.
由于坚持不懈的努力他获得了学业上的成功。

Pains implies attentive or laborious effort:
Pains 暗指集中的或勤劳的努力：
例句：
.Genius is an infinite capacity for taking pains. (Jane Ellice Hopkins).
.天才往往吃无尽的苦. （简·爱丽丝·霍布金斯）。

Trouble refers to effort that causes inconvenience or bother:
Trouble 指那些引起不便或干扰的努力：
例句：
Many people watch the news on television to save themselves the trouble of reading the newspaper.
许多人看电视新闻而省去读报的麻烦