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- His struggle with adversity is fruitless. 他徒与不幸挣扎而毫无结果。
- Their negotiation was fruitless. 他们的谈判没有结果。
- He had only an imperfect understanding of his task. 他对自己的任务只是一知半解。
- A part of this urgent task was allotted to us. 这项紧急任务的一部分分给了我们。
- He decided to go all out to fulfil the task. 他决心全力以赴地去完成任务。
- So far the search for the missing boy has been fruitless. 到目前为止，还没有找到那失踪的男孩。
- I must fulfil my task by some means or other. 我总得想个办法完成任务。
- He was able to cast off such an uninteresting task. 他终于摆脱了这么一项乏味的工作。
- How they laid about them to fulfill the task! 他们是何等竭尽全力来完成这一任务啊！
- He carried on the task left by his comrades. 他把同志们留下的工作继续做下去。
- I'm sorry you've had a wasted (ie unnecessary, fruitless) journey. 很遗憾你白跑了一趟。
- We have to finish our task by all means. 我们必须竭力完成任务。
- Our task borders on the impossible. 我们的任务几乎是不可能完成的。
- The teacher has assigned each of us a holiday task. 教师给我们每个人都分配了假日的工作。
- His efforts to woo her to his side proved fruitless. 他试图说服她站到自己一边的努力徒劳无功。
- This is a task well within your ability. 这完全是你力所能及的工作。
- This task is extremely difficult. 这项任务极其困难。
- It lies on us to accomplish the task. 完成这项任务是我们的责任。
- The next two days were spent in fruitless parleys. 其后两日是消磨于毫无结果的谈判中。
- It was a difficult task, but we brought it off. 那工作很困难，但是我们圆满完成了。
