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

Some were wasting their energies on a lost cause though-six percent revealed they had secretly fancied the groom, with three per cent admitting they had even been romantically involved with the man of the hour before he met his bride.
一些人把精力浪费在注定失败的事情上&6%的受访者表示她们偷偷地觊觎过新郎，3%的人承认她们在新娘和新郎相识之前，和新郎曾有一段恋情。
But does teamwork have to be a lost cause?
但是团队合作一定是徒劳无功的吗？
One of the toughest decisions faced by hospital staff is how long to keep trying, and when to give up on a particular patient as a lost cause.
医务人员最难做出的决定之一就是要对患者抢救多长时间，以及应在什么时候承认失败，放弃抢救。
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。
If the marriage doesn't take, it's a lost cause because divorce is out of the question.
要是婚姻不如意，那就玩儿完了，因为离婚是不容许的。
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。
Finding love where you labor is never a lost cause.
在你工作地方寻找爱不是注定要失败的。
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。
His attempt to row across the Atlantic in a bathtub was a lost cause right from the start!
他用澡盆横渡大西洋的企图从一开始就是注定要失败的！
It was a foolish risk, taken in a lost cause, but he was itching to get to it.
这是一次愚蠢的冒险行动，是注定要失败的，然而他却迫不及待地想去试一试。