on one's own怎么用？

I am on my own today.
我今天一个人. 在这里相当于alone
I can do it on my own.
我可以自己来(做) 在这里相当于by oneself
一共就这两种用法

on one's `own
(a) 独自: I'm all on my own today. 今天我是独自一人. * She liveson her own. 她独自过日子.
(b) 独力地; 单独地: He can be left to work on his own. 工作可交给他一个人去做. * Although her father is in the firm she got the job on her own. 尽管她父亲在公司里, 但她那份工作却是靠自己得到的.
(c) 出色的; 非凡的; 卓越的: When it comes to craftsmanship, Sally is on her own, ie is better than anyone. 说到手艺, 萨莉是独一无二的.

on one's own(独自地, 独立地)相当于 “by oneself”或“alone”,用于动词后面。
如：He went shopping on his own.他独自去购物。
I clean the floor on my own.我独自打扫地板。

亲自；独自 = in person

I went to the zoo on my own.
我独自去了公园。

比如 on one's own way/opinion表示个人观点

单独使用时，有on one's own
独自地, 独立地, 主动地 的含义

do sth. on one's own
一个副词性的介词短语~
=independently