我如何用钱是我自己的事。

How I spend my money is my affair.

《牛津词典》

那些观念是我自己的还是别人的？

Were they my values or someone else's?

youdao

凯茜：不，是我自己的问题。

Cathy: No, it's my own problem.

youdao

And this poem seemed like one you might find and be able to read yourself, without me there to explain it.

而这首诗似乎是一首,你们自己就可以读懂的，不用我多做解释的诗。

耶鲁公开课 - 现代诗歌课程节选

And then I, I self-publish, so I had to do the design and layout of the book myself as well.

因为这书是我自己出版的，所以书的设计、排版之类的事情都是我自己亲自做的。

我的书出版了 - SpeakingMax英语口语达人

What I'd like to do today is to introduce myself, introduce the subject, introduce my plans.

今天我要做的是介绍我自己，介绍这门课程，介绍我的计划。

麻省理工公开课 - 固态化学导论课程节选