独自的英文短语是什么

　　One cannot play tennis by oneself.

　　一个人不能独自打网球。

　　I am to feel everything is by oneself.

　　我是觉得一切是由自己。

　　We bicycled by oneself, singing loudly.

　　咱们骑着脚踏车前进，大声歌唱着。

　　I wish to be by oneself with you all night.

　　我期望整夜都与你在一起。

　　We enjoyed driving by oneself the new expressway.

　　咱们喜爱沿着新建的高速公路开车。