1. It is hard for us to realize nowadays how difficult it was for the pioneers.
    登山先驱者登山的艰难, 我们现在是无法理解的.

2. I must study hard to recover the lost time.
    我一定要努力学习来补上失去的时间。

3. I slapped my face hard. The slaps kept me awake. I pushed on through the snow.
    我重重地打自己的耳光.这使我保持清醒.我在大雪中努力前进.

4. It was hard to walk through the swamp.
    要走过沼泽地是困难的。

5. It is hard for us to realize nowadays how difficult it was for the pioneers.
    我们今天很难想像昔日的登山先驱们是多么艰苦。

6. It is no use offering the manual labourer, tired out with a hard week´s sweat and effort, the chance of playing a game of football or baseball on Saturday afternoon.
    对于流汗出力干了一周苦活的体力劳动者来说，让他们在星期六下午再踢足球或打垒球是不合适的；

7. Which a predecessor of ours at the farm built in the meadow hard by the deepest pool for swimming and diving.
    那船坞是农场一位前辈在一块草地上盖的，草地紧挨着一个专供游泳、跳水的深水池。

8. It is hard for energetic, quick-minded people to waste time,
    精力充沛、头脑敏捷的人极不愿意浪费时间，

9. I suddenly pressed the brake pedal hard and we were both thrown forward.
    我突然用力踩紧刹车踏板，结果我俩的身体都向前冲去。

10. I like gardens too, but I do not like hard work.
    我也喜欢花园，但我却不愿意辛勤劳动。