She made a vain attempt to finish the marathon.
她做了一个徒劳的尝试去完成马拉松。
His efforts to impress her were in vain.
他想打动她的努力是徒劳的。
The rescue team worked in vain to save the cat.
救援队徒劳地努力去救那只猫。
He searched in vain for his lost keys.
他徒劳地寻找丢失的钥匙。
She tried in vain to change his mind.
她徒劳地试图改变他的想法。
All their warnings were in vain.
他们的所有警告都徒劳无功。
His vain efforts to fix the car were frustrating.
他修车的徒劳努力令人沮丧。
The king's vain quest for immortality was legendary.
国王徒劳的追求不朽是传奇。
She made a vain promise she couldn't keep.
她做了一个她无法履行的徒劳的承诺。
He made a vain attempt to climb the mountain.
他做了一个徒劳的尝试去爬山。
vain attempt 徒劳的尝试
vain hope 虚幻的希望
vain effort 无效的努力
vain promise 空洞的承诺
vain glory 虚荣
vain boast 自夸
比较级: vainer;
最高级: vainest;
