If your friends and colleagues send you a lot of photos and documents its very difficult and tiring effort to download them one by one.

如果你的朋友和同事给你发送了很多照片和文件，要把它们一个个的下载下来是非常困难和累人的。

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The company spends "a lot of time" on the ergonomics of its factories, making jobs there less tiring, whichenables older workers to stay at them for longer.

这个公司在其工厂的人类工程学上花费了大量时间，让工作变的不那么让人厌倦，这样老龄化工人在那待的就更久。

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These variations will end up tiring the wine, tainting its organic vitality and leading to a sharp decline in its quality.

这种变动将会使葡萄酒停止熟化，使酒质急转直下最终导致腐坏。

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The war was tiring. Its suffering was more than they could bear.

VOA: special.2009.10.22

But either way, its going to be an adventure, a tiring but exciting adventure.

CNN: Some travelers push the envelope on all-you-can-jet deal

The back and forth of Apple and Samsung's spat can be tiring, it's true, but the legal debacle has its moments.

ENGADGET: Apple exec talks about the iPhone's early days, the secrecy of 'Project Purple'