vainly

副词 vainly:

1. to no avail
   同义词：in vain

1. He vainly tried to mark the defacing stain out.
   他试图除去有损外观的污迹，但没有成功。
2. Before they fled the country, the enemy vainly attempted to destroy all the factories.
   敌人在逃往国外前，妄图把所有工厂都毁掉。
3. Taking just a little money with her, she wanders about the Midland moors, vainly seeking employment.
   她身上仅带了少许的钱，在英格兰中部荒原上四处漂泊徒劳地求职。