a futile rescue attempt 徒劳的救援努力
It's futile trying to persuade him to change his mind. 想要说服他改变主意是办不到的。
The peace talks have proved futile. 和平谈判证明是徒劳的。
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net切換為繁體中文