fruitlessness

After months of job hunting, he began to feel the fruitlessness of his efforts.

经过几个月的求职，他开始感到自己努力的无益。

用法提示：名词“fruitlessness”在此句中表示“无益”，指努力没有产生结果。

The fruitlessness of the negotiation became apparent when neither side would compromise.

当双方都不愿妥协时，谈判的无效变得明显。

用法提示：名词“fruitlessness”在此句中表示“无效”，指谈判未达到预期结果。

She eventually accepted the fruitlessness of trying to change his mind.

她最终接受了试图改变他想法是徒劳的。

用法提示：名词“fruitlessness”在此句中表示“徒劳”，指尝试未产生任何改变。