One has to ask oneself what the purpose of the exercise is.
大家必须问一问自己，这个锻炼的目的是什么。
One cannot choose freedom for oneself without choosing it for others.
人不能光为了自己的自由而不顾别人的自由。
It is difficult to make oneself concentrate for long periods.
让自己长时间聚精会神是很困难的。
One likes to do it oneself.
人都喜欢亲自去做。
1.自己,自身
2.自己,自行,亲自
1.used for showing that people in general, including yourself, are affected by or involved in the results of something that they do
2.used for emphasizing that you and not anyone else does something
1.Our website provides China for the foreigner Anhui to help oneself or to travel on foot the entire journey service.
我们网站为外国人提供中国安徽自助或徒步旅游全程服务。
2.The ability to fend for oneself is indispensable to any adult, but real maturity is more than just a set of survival strategies.
独立生活的能力对于任何一个成年人来说都是必不可少的，但真正的成熟远远不只是一整套的生存策略。
3.Make oneself heart love "nobility" in dress is often familiar to bloom bright brilliance forever lately.
使自己心爱衣中“贵族”常见常新，永远绽放亮丽的光彩。
4.Dear, still would habitually to miss one of your words, the oneself do not think clearly to think of, it happened that want to recall often.
亲爱的，还是会习惯去想你的每一句话，明明自己不想去想的，偏偏每每都想去回忆。
5.Anything that surrounds oneself upon the outside may or may not be of one's soul and therefore may be a force of the dark.
任何在外面包围你自己的事物，可能是，也可能不是你灵魂的，因此可能是一种黑暗力量。
6.To smoke opium is to get out of the train while it is still moving. It is to concern oneself with something other than life or death.
吸鸦片实在列车还飞驰时离开它，它让人沉浸在生与死之外的东西里。
7.He said to her that, Hoped oneself later no longer will be lonely, might put the happy door leaf, will accept this gloomy world diligently.
他对她说：希望自己以后不再孤独，可以放开心扉，努力地去接受这个灰暗的世界。
8.It's hard to say, but I'm sure one of the purposes is to construct a good philosophy for oneself.
很难说，但我确定大学生活的目标之一是要为自己建立一个好的人生观。
9.Amber, also used for in the glow-in-the-dark paint, make paint of oneself increment strength, make the not easy evaporation of aroma.
琥珀，亦用于亮光漆中，使漆的本身增加强度，使香气不易蒸发。
10.Of Bei is to do not have off-the-peg character to call me to be moved later, can oneself will write a few.
悲的是以后没有现成的文字叫我搬过来，只能自己来写几句了。