艰苦

Because these Liberated Areas have been created and arduously built up by the people, with sweat and blood

因为这是人民用血汗创造出来的、艰苦地建设起来的解放区。

Over a long period of time,he had fought arduously for the protection of women's human right and the promotion of their social sta-tus.

他为保卫妇女的人权、提高妇女的地位作了长期、艰苦的斗争。

We are fortunate as well as the well-being, where in the environment of the border hard line, there is a people's army, guarded day and night, our motherland, and for them there is no day and night, not material luxury, there is no睡懒觉, not freedom of induction, some responsibility for the Chinese people.

我们是幸运的，也是幸福的，在那里，在环境艰苦的边防线上，有一支人民的军队，日夜守卫着我们的祖国，对他们来说没有昼夜，没有物质上的奢华，没有睡懒觉、不上岗的自由，有的是责任，为中国人民负责。

By tremendous effort, Kepler calculated his results and after 20 years of hard work, he did not only present his now famous laws to the public, but also very precise astronomic tables which were widely known as the "Rudolphinic tables", which were a great milestone in the history of astronomy.

通过巨大的努力，开普勒计算结果和他经过20年的艰苦努力，他不仅提出他著名的法律向公众，而且也非常精确的天文表被广泛称为" Rudolphinic表"，这是一个伟大历史的里程碑天文学。

He spent four gruelling years at Guantanamo Bay for his efforts.

他花了四年的艰苦几年在关塔那摩湾的努力。

Life is hard at times , while at other times it is full of delight .

生活有时是很艰苦的，有时却充满了欢乐。

We led an austere life in the mountains.

我们在山区过着艰苦的生活。

He seems to be averse to hard work.

看来他不愿做艰苦的工作。

Do you feel any aversion to hard study.

你讨厌艰苦的学习吗？

Digging that clay soil is back-breaking ''.

挖那粘土是一件艰苦繁重的''。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。