navailing
adj
without effect or success; futile 徒劳的; 无效的; 白费的
unavailing efforts/attempts to stop smoking 戒烟而未戒成
All our protests were unavailing. 我们所有的反对意见都毫无作用.
🗣️ 情景例句
and I think he believes
而我认为他相信
Fine,thanks.
很好,谢谢。
Will you introduce me to the new purchasing agent?