He vainly hope to travel round the world on foot.他梦想步行周游世界.The team captain vainly tried to rally his troops.队长试图振作部队的士气，但没有成功。He shouted after them, vainly trying to attract their attention.他在他们的后面高喊，想引起他们的注意，却是徒劳。I vai...

adv.徒劳地，不成功地，白费力地...

vainly的音标：vainly的英式发音音标为：['veɪnli]vainly的美式发音音标为：['venlɪ]...

He hunted vainly through his pockets for a piece of paper.他翻遍口袋想找一张纸，结果没找到。The criminals vainly sought concealment from the searchlight.罪犯们徒劳地躲闪着探照灯光。He shouted after them, vainly trying to attract their attention.他在他们的后...