I painted the room all by myself.

我独自一人粉刷了屋子。

《牛津词典》

I'm here all by myself and I know I'm going to get lost.

我独自一人在这儿，我知道我会迷路的。

《柯林斯英汉双解大词典》

One year later, I could make a fruit pie all by myself.

一年后，我可以自己做水果派了。

youdao

I ran so far so fast that pretty soonI was all by myself, which was a bad thing.

VOA: standard.other

Is that the course you teach with No, that's one all by myself, I teached another one with Brother George but this one I teach by myself.

这就是你教授的那门课吗？,不是，是我自己教授的另一门课,不是和George一起教的那门。

普林斯顿公开课 - 人性课程节选

Where am I to get meat to give to all this people, when they whine before me and say, 'Give us meat to eat!' I cannot carry all this people by myself, for it is too much for me.

我从哪里得到肉给他们吃呢？,当他们都在我面前哭号，‘给我肉吃’,我无法独自管理这些人，这负担对我来说太沉重了。

耶鲁公开课 - 旧约导论课程节选

Second, I remained in the house we had bought together and I paid for it and everything relating to it all by myself.

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Yes, I deduced that all by myself.

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