But even for the bravest kittens, getting to the top is a tall order.

但即使是最勇敢的小猫，要爬到屋顶也是个很离谱的要求。

That is a tall order, and the building industry makes it even taller.

这是一个很高的要求，而建筑行业更难达到。

It's a tall order, and some past leadership contenders have already ruled themselves out.

这是一项艰巨的任务，一些过去的领导人竞争者已经将自己排除在外。

Ensuring that this continues will be a tall order for the next generation at Reliance.

对于信实的下一代来说，确保这种情况持续下去将是一项艰巨的任务。

But replacing jobs that paid $35 an hour and provided free family health care is a tall order.

但是，要取代每小时35美元并提供免费家庭医疗保健的工作是一项艰巨的任务。

But given just how large the divide between the country's hard-liners and reformists has become, that's a tall order.

然而，鉴于该国强硬派和改革派之间的分歧已经如此强烈，重新谈判是一个很高的要求。

Eliminating workplace bias is a tall order.

消除工作场所偏见是一项艰巨的任务。

The researchers added: " This is a tall order to be sure, but there is no risk in trying" .

" 这是一个很高的要求，但尝试是没有风险的。"

It's a tall order, but I believe in our collective potential.

这是一项艰巨的任务，但我相信我们的集体潜力。

That last part's a tall order, Chalky.

最后这个太让我为难了 朝琪。

That might sound like a tall order, but I think there's a few things you and I can do about it.

这听起来可能有点难，但我觉得我们可以做一些事情。

Changing the culture is a tall order, I know that, but culture is fluid.

改变文化是一项艰巨的任务，我知道，但文化是流动的。

Finding a replacement is going to be a tall order.

【tall，tallness】想找个替代的人很难。

It's a tall order, but scientists have actually figured out how to do that using, of all things, viruses and bacteria.

这是一项艰巨的任务，但科学家们实际上已经想出了如何使用病毒和细菌来做到这一点。

Now, I admit that all of this sounds like a bit of a tall order.

现在，我承认所有这一切听起来有点太过苛刻了。

It's a tall order. Let's take just agriculture, for example, which is a sector that's been hammered during the trade war.

这是难以办到的事情。以农业为例，这一部门在贸易战期间饱受摧残。

But it will still be a tall (and expensive) order to produce the green energy required.

但生产所需的绿色能源仍然是一项艰巨（且昂贵）的任务。

But Fitz, he's often spotted just dozing off and keeping his eyes open is a tall order, must be stretching his bedtime.

但是菲茨经常被发现在打瞌睡，而且保持眼睛睁着确实是一项艰巨的任务，这一定延长了他的睡眠时间。

And if this sounds like a tall order, ask yourself what really is a company's most competitive advantage.

如果这听起来像是一项艰巨的任务，请问问自己一家公司真正最具竞争优势的是什么。

It's from these kinds of fragmentary pieces that you're trying to work out the histories of entire species. It's quite a tall order.

“你就是在根据这样支离破碎的东西想要归纳出整个人类的历史。这是很难办到的事。