1. In these forests there are so many trees, and they grow so close together, that it is hard to move around.
    森林里树木繁茂，不易走动。

2. I am fully prepared for more hard work.
    我已做好一切准备，去迎接更多、更艰苦的学习。

3. It was hard to believe she was the mother of the young lad with her.
    很难相信她就是身旁那个小家伙的妈妈。

4. It was not the sort of bright yellow sun making everything lift up at the edges, almost in fear, that I was used to, but a pale yellow sun, as if the sun had grown weak from trying too hard to shine; but still it was sunny.
    这不是那种我所习惯的、使每一样东西的边缘几乎是颤巍巍地向上翘的那种金黄色的太阳，而是那种淡黄的、好象是一个因过分卖力地想发出灿烂的光芒而变得软弱无力的太阳，但它毕竟也是灿烂的。

5. I worked hard to meet the minimum standards set by the course and to complete assignments on time.
    我尽力达到课程的最低限度的要求，并按时完成作业。

6. I turned the plane to the right, but I did it too hard and we went into a steep turn.
    我把飞机向右拐，但用力过大，变成了急转弯。

7. It was a hard job to come by.
    这份工作来之不易。

8. It's hard to avoid being seen on the DMV computer screens, but there are ways to keep a low profile in other areas.
    很难使自己的信息不出现在DMV的电脑屏幕上。但还是有办法在其他方面使自己的情况少为人知。

9. I looked in the mirror and saw lots of wrinkles. I had a hard time fitting that outward me with the me inside.
    我看到镜中的我有了很多皱纹，感到很难使那外在的我与内在的我相吻合。

10. For men accustomed to eating seven-course dinners and sleeping between fine linen sheets at home, the change to the Alps must have been very hard indeed.
    对于过惯了一顿饭吃7道菜、睡亚麻细布床单的人来说，变换一下生活环境来到阿尔卑斯山山区，那一定是很艰难的。