vain
「vain」的意思
adj. 虚荣的，自负的；徒劳的
adj.徒然的,无益的,虚荣的,空虚的,自负的,愚蠢的
「vain」的用法
vain徒劳的，无用的 - 形容一个人或一件事没有实际价值或意义。
「vain」的例句
He spent all his time on vain pursuits.
他把所有时间都浪费在无意义的事情上。
Her efforts were vain; nothing came of them.
她的努力是徒劳的；什么也没结果。
The vain man sought attention wherever he went.
那个虚荣的人到处寻求关注。
The medicine was ineffective; the patient's condition remained the same.
药没有用；病人的状况没有改变。
His claim to fame was entirely vain.
他的成名是徒劳的。
The empty praise was as vain as a bubble.
空虚的赞美就像一个气泡一样短暂。
Her efforts to win him back were in vain.
她努力要赢回他也是徒劳的。
The project was a complete waste of time and resources.
这个项目完全是浪费时间和资源。
She received too much attention, which made her feel vain.
她太受关注了，让她感到虚荣。
His attempt to impress her was in vain.
他试图让她喜欢他也是徒劳的。