Analyzed the reason of coal_machine motor's connection bolt not hard up and the frame's limitation, working_out a reasonable technique, ensure the service quality of equipment.

分析采煤机电机接线柱焊接松动原因及结构缺陷，制订出合理的修复方法，保障设备维修质量。

youdao

It is hard to pick up such a book and not to feel a little daunted.

读这样的一本书是很难不略微感到胆怯的。

《柯林斯英汉双解大词典》

She was not going to give up her hard-won freedom so easily.

她不会这么轻易地放弃得来不易的自由。

《牛津词典》

It's not really hard. You just make your bed neat, remember to stand up straight, and always answer every question with "Yes, Drill Sergeant."

VOA: standard.other

I actually do get worked up over these things because it drives me nuts because these are not hard problems to solve and yet consistently throughout society and your own laptops there are dozens of examples I'm sure of poorly designed software.

我确实对这些东西很生气,因为它令我发狂,因为这不是很难解决的难题,然而贯穿整个社会,在你自己的笔记本上，我确信有很多这样,设计地很挫的软件的例子。

哈佛公开课 - 计算机科学课程节选

There's a very interesting theme here and it's not too hard to pick up.

这其中有个很有趣的主题,我们不难发现

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It is not hard to come up with ideas for cuts, just as it is not hard to find things to privatise.

ECONOMIST: Why Italian politics is impossible

It is not hard to conjure up a scenario where agreements on, say, tax harmonisation or exchange-rate policy within the euro group start raising questions about the full access of non-euro members to the single market.

ECONOMIST: Euro-apartheid?

"If it's not really hard, if it might not blow up, it's not for us, " says Weeks.

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