lost cause
US /lɔst kɔz/
UK /lɒst kɔːz/
成语
徒劳无功, 没希望的事
a person or thing that can no longer be helped or is beyond hope
示例:
•
Trying to convince him is a lost cause; he never changes his mind.
试图说服他是一件徒劳无功的事；他从不改变主意。
•
After several attempts, we realized that fixing the old car was a lost cause.
经过几次尝试，我们意识到修理那辆旧车是徒劳无功的。