1·It is always more important to know how to study by oneself than to memorize some formulas.
知道如何自学永远比记住一些公式更重要。
2·Having the ability to solve problems by oneself reflects that the person is independent and has already grown up.
具有独立解决问题的能力，反映出一个人已经独立，已经长大了。
3·One is firmly established by oneself.
卓然自立。
—— 《新英汉大辞典》
4·One cannot live by oneself.
人不能单独生活。
5·One cannot play tennis by oneself.
一个人不能独自打网球。
6·I am to feel everything is by oneself.
我是觉得一切是由自己。
7·We bicycled by oneself, singing loudly.
咱们骑着脚踏车前进，大声歌唱着。
8·I wish to be by oneself with you all night.
我期望整夜都与你在一起。
9·We enjoyed driving by oneself the new expressway.
咱们喜爱沿着新建的高速公路开车。
10·I satirize am betrayed by oneself most own person!
我讽刺的被自己最亲的人所出卖！