例句：
1. When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.
当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。
2. The turning point in the process of growing up is when you discover the core of strength within you that survives all hurt.
当你从内心深处找到一种可以忍受一切痛苦的坚强力量时，你的成长历程就会出现飞跃。
3. He finished his conversation and stood up, looking straight at me.
他说完话站起来，直视着我。
4. These files have been zipped up to take up less disk space.
这些文档已经进行了压缩，以节省磁盘空间。
5. He was fired from his job after roughing up a colleague.
他因为对一位同事动粗而被开除了。
6. It is certainly worth checking up on your benefit entitlements.
查清楚你可以享受哪些福利是绝对有必要的。
7. We tend to meet up for lunch once a week.
我们往往每周共进一次午餐。
8. The economy remains deep in recession with few signs of a pick-up.
经济仍深陷衰退之中，几乎没有好转的迹象。
9. I was laid up in bed with acute rheumatism.
我染上了急性风湿，卧病在床。
10. Llewelyn was mounting the stairs up into the keep.
卢埃林登上台阶，走进城堡主楼。
11. Dr. Johnson and I have been trying to build him up physically.
约翰逊医生和我一直试图增强他的体质。
12. Dozens of miles of railway track have been torn up.
好几十英里的`铁轨被毁坏了。
13. The shallow sea bed yields up an abundance of food.
浅海床提供了丰富的食物。
14. The recent rain had churned up the waterfall into a muddy whirlpool.
最近的一场雨把瀑布搅成了泥水漩涡。
15. She loved it, this was just up her street.
她喜欢这个，这正中她的意。