fruitlessly
adv.徒劳地；无益地fruitlessly Adverb in an unproductive manner fruitlessly例句 His struggle with adversity is fruitless.他徒与不幸挣扎而毫无结果。 Their negotiation was fruitless.他们的谈判没有结果。 So far the search for the missing boy has been fruitless.到目前为止，还没有找到那失踪的男孩。 I'm...