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
OK, Richard. That's terrific.
很好, Richard ,真不错。
I believe so.
我相信是这样。
Oh, dear! said Miss Yang. Are you sure you've lost it?