adv.徒劳地；无益地
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 sorry you've had a wasted (ie unnecessary, fruitless) journey. 很遗憾你白跑了一趟。
His efforts to woo her to his side proved fruitless. 他试图说服她站到自己一边的努力徒劳无功。
