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- I sought to persuade him, but in vain. 我试图说服他，但无效。
- I tried to make his peace with her, but in vain. 我试图使他与她和好，但还是白搭。
- I tried to console her, but in vain. 我试着去安慰她，但是无效。
- All our entreaties were in vain. 我们的乞求全是枉然。
- They endeavoured to make her happy but in vain. 他们尽量使她快乐，却徒劳无功。
- We tried in vain to make him change his mind. 我们想使他改变主意，结果是白费心机。
- Hullo! Who's that, taking my name in vain? 喂！是谁在那儿议论我？
- All his father's exhortations were in vain. 他父亲的一切劝告都无效。
- Our plan didn't work in with theirs very well. 我们的计划和他们的计划配合得不太好。
- The idea sounds good but will it work in practice? 这主意听起来不错，但在实践中行得通吗？
- The prisoners were let out to work in the garden. 囚犯们被放出到花园里去劳动。
- He tried in vain to catch the butterfly on the flower. 他白费力气想抓住停在花上的蝴蝶。
- Bill did his home work in earnest. 比尔认真地做功课。
- Day after day she waited in vain for him to telephone her. 日复一日，她徒劳地等待他的电话。
- I am a worker, I work in the factory. 我是一个工人，我在工厂工作。
- Do you hope to be assign to work in country? 你希望分配到农村工作吗？
- He tried to object against me for the position, but in vain. 他竭力反对我获取那个职位，但没有成功。
- The enemy officer tried to sort his men out, but in vain. 敌军官试图将其部下整顿一番，但结果是白费气力。
- She finished her work in an instant. 她没有多久就完成了她的工作。
- Please let me do my work in peace. 请让我安静地工作。
