fruitlessly
adv. 无益地,徒劳地
例句
If we always wait for another day, fruitlessly our life will pass away.
如果我们总是等着另一天,我们的生命将徒然流逝。
A handful of congressmen have called (fruitlessly) for him to be fired.
少数议员(徒劳的)要求他下岗。
We searched fruitlessly for thirty minutes until I had a third-degree sunburn on my bald spot.
我们搜索了三十多分钟,直到我的秃顶被日头晒的三度灼伤,也没有看到鞋的影子。