柯林斯詞典lost cause (lost causes) 1. N-COUNT If you refer to something or someone as a lost cause, you mean that people's attempts to change or influence them have no chance of succeeding. 必敗無疑的事; 無望成功的人 They do not want to expend energy in what, to them, is a lost cause. 他們不想把精力投到他們認(rèn)為注定不會成功的事中去。 返回 lost cause劍橋詞典someone or something that has no chance of succeeding 沒有希望的人（或事） I used to try to get him to do some exercise but then decided he was a lost cause . 我曾試圖讓他運動運動，但后來覺得他真是無可救藥。 返回 lost cause