lost cause

英 [ˌlɒst ˈkɔːz]

美 [ˌlɔːst ˈkɔːz]

n. 业已失败的事情; 没有希望的事情

牛津词典

noun

业已失败的事情；没有希望的事情
something that has failed or that cannot succeed

柯林斯词典

N-COUNT 必败无疑的事；无望之人
If you refer to something or someone asa lost cause, you mean that people's attempts to change or influence them have no chance of succeeding.
1. They do not want to expend energy in what, to them, is a lost cause.
  他们不想把精力投到他们认为注定不会成功的事中去。

英英释义

noun

a defeated cause or a cause for which defeat is inevitable

双语例句

This article from the perspective of the psychology of the audience in-depth discussion and analysis of domestic animation from a prosperity to the lost cause.
本文从观众心理的角度深入探讨和分析了国产动画从繁荣走向迷茫的原因。
It not only delay the time of drilling 、 extend drilling period 、 spend a lot of lost circulation material, but also cause a series of accident such as sticking 、 well spout 、 collapse.
它不仅会延误钻井作业时间，延长钻井周期，耗费大量堵漏材料，还会引起卡钻、井喷、井塌等一系列复杂情况。
Shannon, I assure you and all who have lost a loved one that our cause is just, and our country will never forget the debt we owe Micheal and all who gave their lives for freedom.
香农，我向你，以及所有永失我爱的人们保证，我们的目标是伸张正义，这个国家永远不会忘记我们对米歇尔，以及所有为自由奉献生命者所欠下的债。
They do not want to expend energy in what, to them, is a lost cause.
他们不想把精力投到他们认为注定不会成功的事中去。
If the individual doesn't declare a change of heart within six to eight weeks, he's probably a lost cause.
如果问题员工在六到八个星期内，依然没有改邪归正，可能只能放弃他了。
If the person is a lost cause, walk away.
如果对方是个心怀鬼胎的人，直接转身离开。
He wants very much to get a job in the film industry, and he takes no notice of me when I tell him it's a lost cause.
他很想在电影行业中找一份工作，我告诉他这是失败的事业，他却没把它放在心上。
Yet, they have provided quality medical service to local residents without asking for returns.40 doctors even lost their lives for this great cause.
他们大多驻扎在贫困偏远地区，克服生活、医疗条件差等困难，以精湛的医术、高尚的医德为非洲人民提供了优质的医疗服务，甚至有40多名优秀医生献出了宝贵的生命。
The lost Supreme Court case was not a lost cause, however.
然而，输了最高法庭的案子并非一件失败的事情。
And I'm going to stay right here and fight for this lost cause.
我会留在这，为已经遗失的目标奋斗。