adj.没有成果的,无益的,不结果实的,不成功的,白搭
Attempts to reach a mutually agreed solution had been fruitless.
试图达成一个双方都赞成的解决方案的努力毫无结果。
It was a fruitless search.
搜寻工作毫无结果。
After a fruitless morning sitting at his desk he had given up.
他在书桌前徒劳地坐了一上午之后便放弃了。