1. After hours of experimenting they felt a weakness in the muscles, a pain in the knees and a general sickness that lasted until the following day.
    经过了几个小时的实验，他们感觉到肌肉的虚弱和膝盖上的疼痛，一种遍体的不适一直持续到了第二天。

2. Some natural sorrow, loss, or pain,
    是那寻常的忧愁，失落，或者痛苦，

3. Pain altered the contours of his face.
    疼痛扭曲了他的脸。

4. Pain radiated up my left leg.
    疼痛沿我左腿往上放射。

5. Most women wear shoes that fit poorly, usually ones that are too small, which adds pain to high-heel hell (痛苦).
    大多数女人穿的鞋子都不合脚，通常是鞋子太小，这就增加了穿高跟鞋引起的疼痛。

6. Chances are he won't live long, but he won't be in pain."
    有可能他活不长久，但他不会太痛苦。"

7. "Pain" is the antonym of "pleasure".
    痛苦是愉快的反义词.

8. One of the thieves was struck by a heavy statue, but he was too busy helping himself to diamonds to notice any pain.
    一个窃贼被一尊很重的雕像击中，但由于他忙着抢钻石首饰，竟连疼痛都顾不上了。

9. One of these was pain: operations had to be done without anaesthetics.
    一个原因是疼痛：做手术没有麻醉剂。

10. In it he described vividly the scenes of pain and distress he had witnessed, and suggested that a relief society should be formed to give help to all those wounded in wars.
    书中他栩栩如生的描述了那些充满痛苦和不幸的景象，并提出建议，组织一个救济团体等，对所有战时伤亡人员给予救助。