Returning to normal life can be difficult, but some small routines—mail delivery being one of them—may help residents remember that their communities are still their communities.

回归正常生活是很困难的，但是一些日常小工作——邮件递送就是其中之一——可以帮助居民想起他们的社区仍然是他们的社区。

youdao

But it is worth remembering that this is much more difficult than creating normal displays.

但我们还是值得记住一点，这种显示器的制造要比普通显示器困难得多。

youdao

But, because they interact only very weakly with normal matter, detecting them is difficult.

但是，因为他们对平常物质只有非常微弱的影响，对之进行观测十分困难。

youdao

"So,I think this is a normal hiccup in a very difficult process.

VOA: standard.2009.10.26

To actually apply this it helps to go to something called the normal approximation to the binomial, because it's kind of difficult to compute this formula.

在实际应用这些公式的时候,需要运用二项分布的正态近似定理,因为二项分布公式的值很难计算

耶鲁公开课 - 金融市场课程节选

"It becomes very difficult for normal military operations to take place.

VOA: standard.2009.06.18

And it is making life even more difficult than normal.

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Achieving EU unanimity for a Euro tax may be extremely difficult under normal conditions, but if the meltdown gets worse, the U.K. may acquiesce to Germany as a political move to keep Germany from opting out of the Euro bailouts.

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But an upset would be a bit more difficult to stomach than normal, since Federer has already taken Miami and Monte Carlo off his calendar.

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