"It is difficult for a man to understand," she says "hard, too, for any woman who has had an average hospital birth."

“对于男人来说，这很难理解，”她说，“也很难，对于那些在医院进行常规生产的任何一个女人来说。”

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"It is so hard," says Xiaojian, who has been trying to find the right partner over the past two years.

“这太难了”，肖建说，过去两年中，他一直在尝试寻找合适的伴侣。

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Such ploys can make it hard to identify exactly who is behind a particular online assault, says Adam Vincent of Cyber Squared, another security firm.

来自另一家网络安全公司Cyber Squared的Adam Vincent说，这样（僵尸网络的）形式的攻击真的很难定位到某次入侵的幕后真凶是谁。

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Major Tom Harris(ph), who trains the police here, says it's hard to get the police who live and work next to the militias to be independent of them.

NPR: Dozens of Iraqi Army Men Arrested in Killings

Ribble Valley MP Nigel Evans, who is from Swansea, says it was hard enough growing up in Wales as a Conservative, "let alone being gay".

BBC: Ribble Valley MP Nigel Evans 'didn't want to live lie'

Ichiro Murata, a director at the Academy of Management Development, which lists many of Japan's corporate giants among its clients, says it is hard to find good teachers who understand both technology and business.

ECONOMIST: Japan's best engineers are having to learn about business