什么时候用by oneself oneslef by oneself 与 oneself 与 on one ...

oneself\u548cby oneself\u7684\u533a\u522b

by oneself=alone, \u5f3a\u8c03\u4e00\u4e2a\u4eba\u3001\u5355\u72ec\u3002 oneself \u5f3a\u8c03\u4eb2\u81ea\u3001\u81ea\u5df1\u3002
\u4e00\u3001by oneself\u8bcd\u6c47\u5206\u6790\u97f3\u6807\uff1a\u82f1 [bai wʌnˈself] \u7f8e [baɪ wʌnˈsɛlf]
\u91ca\u4e49\uff1a\u81ea\u884c;\u5355\u72ec\uff0c\u72ec\u529b;\u5b51\u7136\u4e00\u8eab;\u5404\u81ea
\u62d3\u5c55\u8d44\u65991\u3001Visitors can drive by oneself and have.
\u6e38\u4eba\u53ef\u81ea\u9a7e\u8f66\u800c\u4e0a\u3002
2\u3001One ought to be able to carry out simple repairs on one's car by oneself.
\u4e00\u4e2a\u4eba\u5e94\u8be5\u80fd\u591f\u72ec\u81ea\u5bf9\u4ed6\u7684\u6c7d\u8f66\u8fdb\u884c\u4e00\u4e9b\u7b80\u5355\u7684\u7ef4\u4fee\u3002
3\u3001I satirize am betrayed by oneself most own person!
\u6211\u8bbd\u523a\u7684\u88ab\u81ea\u5df1\u6700\u4eb2\u7684\u4eba\u6240\u51fa\u5356\uff01
4\u3001It is important for them to understand that a good life is created by oneself, not by others.
\u4ed6\u4eec\u5e94\u8be5\u7406\u89e3\u597d\u7684\u751f\u6d3b\u662f\u7531\u81ea\u5df1\u521b\u9020\u7684\uff0c\u800c\u4e0d\u662f\u522b\u4eba\u7ed9\u4e88\u7684\uff0c\u8fd9\u4e00\u70b9\u975e\u5e38\u91cd\u8981\u3002
\u4e8c\u3001oneself \u8bcd\u6c47\u5206\u6790\u97f3\u6807\uff1a\u82f1 [wʌnˈself] \u7f8e [wʌnˈsɛlf]
\u91ca\u4e49\uff1a\u5df1\uff0c\u81ea\u8eab;\u4eb2\u81ea\uff0c\u81ea\u884c;\u5176;\u4eb2\u624b
\u62d3\u5c55\u8d44\u65991\u3001One has to ask oneself what the purpose of the exercise is.
\u5927\u5bb6\u5fc5\u987b\u95ee\u4e00\u95ee\u81ea\u5df1\uff0c\u8fd9\u4e2a\u953b\u70bc\u7684\u76ee\u7684\u662f\u4ec0\u4e48\u3002
2\u3001One cannot choose freedom for oneself without choosing it for others.
\u4eba\u4e0d\u80fd\u5149\u4e3a\u4e86\u81ea\u5df1\u7684\u81ea\u7531\u800c\u4e0d\u987e\u522b\u4eba\u7684\u81ea\u7531\u3002
3\u3001It is difficult to make oneself concentrate for long periods.
\u8ba9\u81ea\u5df1\u957f\u65f6\u95f4\u805a\u7cbe\u4f1a\u795e\u662f\u5f88\u56f0\u96be\u7684\u3002
4\u3001One likes to do it oneself.
\u4eba\u90fd\u559c\u6b22\u4eb2\u81ea\u53bb\u505a\u3002

by oneself \u548c on one's own \u7684\u610f\u601d\u76f8\u540c\uff0c\u90fd\u662f\u201c \u72ec\u81ea\uff0c \u5355\u72ec\u201d \u7684\u610f\u601d
\u4e00\u822c\u53ef\u4ee5\u4e92\u6362\u4e14\u653e\u5728\u53e5\u672b\uff0c\u53ea\u662fby oneself \u4e2d\u7684oneself \u662f\u53cd\u8eab\u4ee3\u8bcd\uff0con one's own \u4e2d\u7684 one's \u662f\u7528\u5f62\u5bb9\u8bcd\u6027\u7269\u4e3b\u4ee3\u8bcd\u3002

\u5982
1 He can finish the work by himself .
= He can finish the work on his own.
\u4ed6\u53ef\u4ee5\u81ea\u5df1\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\u3002

2 Lucy often goes to school by herself .
= Lucy often goes to school on her own .
\u9732\u4e1d\u7ecf\u5e38\u72ec\u81ea\u4e0a\u5b66\u3002

By oneself意为“通过（某人）自己”，比如learn by myself自学（即通过我自己学习），一般做状语。
oneself即（某人）自己，一般做表语，宾语。

I kill myself by myself

扩展阅读：by oneself什么时候不用by ... learn by oneself ... by oneself用法 ... by oneself相当于 ... do sth by oneself ... by the sea为什么用by ... beside oneself with ... by oneself例句 ... by oneself省略by ...