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- Memory reduces excise, the useless effort that must be devoted to managing tools and not doing work. 记忆减少附加工作，那些用于管理工具而不是完成工作的无用努力。
- He made useless efforts. 他做了无结果的努力。
- Stop your useless chatter and listen to what Roy is saying. 你们的闲谈停一停，听听罗伊说什麽。
- A car is useless without petrol. 汽车没有汽油就不能使用。
- A well devoid of water is useless. 无水的井没有用途。
- It is useless to muse upon past errors. 念念不忘昔日的过错是没有益处的。
- She find it useless argue with them. 她发现和他们的争论没用。
- The thought nerved me to make an other effort. 这种想法激励我再作一番努力。
- The brandy nerved him for an effort. 白兰地酒给他努力发奋的勇气。
- His latest effort is a poor excuse for a novel. 他最近的作品只是一部劣质的小说。
- He braced every nerve for a supreme effort. 他振作精神准备全力以赴。
- It's useless arguing/to argue with them. 跟他们争论是徒劳无益的。
- It's useless to argue with them. 同他们争论是没有用的。
- It's quite an effort to lift this heavy box. 抬起这只沉重的箱子要花费相当大的力气。
- It's useless to continue such a barren argument. 继续这种无聊的争辩是无用的。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- For all practical purposes, it was useless. 实际上它毫无用处。
- Effort and achievement are always in full accord. 努力和成就总是相辅相承的。
- I realized it was useless to reason with him. 我知道和他说理是毫无意义的。
- Don't clog up your memory with useless facts. 不要把脑袋塞满无用的东西。
