worked unfruitfully
徒劳无功
unfruitfully attempting
徒劳地尝试
unfruitfully spent
无益地花费
unfruitfully pursuing
徒劳地追求
unfruitfully tried
徒劳地寻找
unfruitfully seeking
they searched for hours but fruitlessly looked for the missing keys.
他们搜索了几个小时，但徒劳无功地寻找着丢失的钥匙。
the negotiations dragged on unfruitfully, with no agreement reached.
谈判持续了很长时间，但结果毫无成效，没有达成任何协议。
he spent the evening unfruitfully browsing social media.
他无益地把晚上花在了浏览社交媒体上。
the team worked tirelessly but unfruitfully on the complex project.
团队努力工作，但对于这个复杂的项目来说，他们的努力却收效甚微。
the politician campaigned relentlessly but unfruitfully for re-election.
这位政客为重新当选而不知疲倦地竞选，但结果却毫无成效。
the scientists experimented tirelessly, but unfruitfully sought a solution.
科学家们孜孜不倦地进行实验，但徒劳地寻找着解决方案。
the company invested heavily, but unfruitfully launched a new product.
公司投入了大量资金，但新产品的推出却毫无成效。
she tried to explain, but unfruitfully attempted to reason with him.
她试图解释，但徒劳地试图说服他。
the students studied diligently, but unfruitfully prepared for the exam.
学生们刻苦学习，但为考试做准备却毫无成效。
the gardener toiled all day, but unfruitfully tended the garden.
园丁一整天都在劳作，但照料花园却收效甚微。
they argued vehemently, but unfruitfully debated the issue.
他们激烈地争论，但对这个问题进行辩论却毫无成效。
worked unfruitfully
徒劳无功
unfruitfully attempting
徒劳地尝试
unfruitfully spent
无益地花费
unfruitfully pursuing
徒劳地追求
unfruitfully tried
徒劳地寻找
unfruitfully seeking
they searched for hours but fruitlessly looked for the missing keys.
他们搜索了几个小时，但徒劳无功地寻找着丢失的钥匙。
the negotiations dragged on unfruitfully, with no agreement reached.
谈判持续了很长时间，但结果毫无成效，没有达成任何协议。
he spent the evening unfruitfully browsing social media.
他无益地把晚上花在了浏览社交媒体上。
the team worked tirelessly but unfruitfully on the complex project.
团队努力工作，但对于这个复杂的项目来说，他们的努力却收效甚微。
the politician campaigned relentlessly but unfruitfully for re-election.
这位政客为重新当选而不知疲倦地竞选，但结果却毫无成效。
the scientists experimented tirelessly, but unfruitfully sought a solution.
科学家们孜孜不倦地进行实验，但徒劳地寻找着解决方案。
the company invested heavily, but unfruitfully launched a new product.
公司投入了大量资金，但新产品的推出却毫无成效。
she tried to explain, but unfruitfully attempted to reason with him.
她试图解释，但徒劳地试图说服他。
the students studied diligently, but unfruitfully prepared for the exam.
学生们刻苦学习，但为考试做准备却毫无成效。
the gardener toiled all day, but unfruitfully tended the garden.
园丁一整天都在劳作，但照料花园却收效甚微。
they argued vehemently, but unfruitfully debated the issue.
他们激烈地争论，但对这个问题进行辩论却毫无成效。
探索常用高频词汇