ungainful
「ungainful」的意思
adj．无利可图的，无收益的：指某事物或行为不能带来经济利益或其他有价值的回报。
adj.不赚钱的,无利的,无收益的
「ungainful」的用法
ungainful没有收获的，没有成果的 - 形容一个人在某项工作中没有取得任何进展或成果。
「ungainful」的例句
He spent hours working on the project but it was ultimately ungainful.
他花了好几个小时在项目上工作，但最终什么成果都没有。
The company's efforts to improve customer service were largely ungainful.
公司试图改善客户服务的努力基本上没有成效。
The writer's latest novel was an ungainful affair, lacking both plot and character development.
作家的最新小说毫无起色，缺乏情节和人物发展。
The gardener's efforts to grow a rare flower were ultimately ungainful.
园丁试图种植一种稀有的花，但最终什么都没长出来。
The student's hard work on the exam was ultimately ungainful.
学生在考试中努力学习，但最终什么都没得到。
The artist's paintings were often described as ungainly and unappealing.
艺术家的画作经常被描述为难看且不吸引人。
The charity's fundraising efforts were largely ungainful.
慈善机构的募捐努力基本上没有成效。
The scientist's research into the unknown was ultimately ungainful.
科学家对未知的研究最终毫无收获。
The athlete's training regimen was ultimately ungainful.
运动员的训练计划最终毫无成效。
The politician's campaign efforts were ultimately ungainful.
政治家的竞选努力最终毫无收获。