vain单词什么意思_vain单词解释 vain的反义词vain的例句

形容词徒劳的; 自负的; 无结果的; 无用的

形容词loftyself-centeredegotisticalconceitedineffectualfutileproudboastfulegocentrichaughtyunsuccessfulfruitless

形容词effectualeffective

1. 无用的,虚荣的：familial 家庭的 | vain 无用的,虚荣的 | vein 面纱; 掩饰

2. 徒劳的：vague 含糊的 | vain 徒劳的 | valid 有根据的

3. 徒然的：vail n小费 | vain 徒然的 | vainglorious 虚荣的

4. vain：vaginal intraepithelial neoplasia; 阴道鳞状上皮内肿瘤

6. vain什么意思

1. 徒劳的;无效的;不成功的
A vain attempt or action is one that fails to achieve what was intended.

e.g. The drafting committee worked through the night in a vain attempt to finish on schedule...
起草委员会为按计划完成草案已通宵加班，但结果仍是徒劳。
e.g. I was singing in a vain effort to cheer him up.
我唱歌试图让他高兴起来，结果是白费力气。

adj

1. unproductive of success

e.g. a fruitless search
futile years after her artistic peak
a sleeveless errand
a vain attempt

Synonym: bootlessfruitlessfutilesleeveless

2. characteristic of false pride
having an exaggerated sense of self-importance

e.g. a conceited fool
an attitude of self-conceited arrogance
an egotistical disregard of others
so swollen by victory that he was unfit for normal duty
growing ever more swollen-headed and arbitrary
vain about her clothes

Synonym: conceitedegotisticegotisticalself-conceitedswollenswollen-headed