| 单词 | vain |
| 例句 | vain adjective 1.•he was vain about his looks:conceited, narcissistic, self-loving, in love with oneself, self-admiring, self-regarding, self-obsessed, egocentric, egotistic, egotistical | proud, arrogant, boastful, cocky, cocksure, immodest, swaggering | informal big-headed | literary vainglorious. ANT modest. 2.•a vain attempt:futile, useless, pointless, to no purpose, hopeless, in vain | ineffective, ineffectual, inefficacious, impotent, unavailing, to no avail, fruitless, profitless, unrewarding, unproductive, unsuccessful, failed, abortive, for nothing | thwarted, frustrated, foiled | archaic bootless. ANT successful. PHRASES in vain 1.•they tried in vain to save him:unsuccessfully, without success, to no avail, to no purpose, fruitlessly. 2.•his efforts were in vain. See |
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