vainly

ad. 徒劳地

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。

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。