youdao

I think you must be mistaking me for someone else.

我看你准是认错人了。

《牛津词典》

Then that person does something nice for someone else.

之后那个人会为别人做些好事。

youdao

Today,a fall guy is anyone who is tricked into taking the blame for the crime or wrongdoing of someone else.

VOA: special.2010.02.21

Because here he was for the first time in-- well, since my wife and I were together-- someone else is getting much more attention than I was, no matter how much I cried.

因为这是妻子和我在一起后-,第一次有人夹在中间-,另一个人比我获得更多的关注，不管我怎么哭。

哈佛公开课 - 幸福课课程节选

Indeed, he said in his various pronouncements written for him by someone else that he didn't want to be a king of the old regime, he did not want to turn the clock back to 1788, and that you could combine a modernity with monarchy.

在一篇由人代笔的自我声明中,他表示并不想成为旧有政体的国王,他不想把时间倒退回1788年,完全可以把君主制和现代化结合

耶鲁公开课 - 1871年后的法国课程节选

Or it could be a common, shared desire to do good for someone else.

FORBES: Follow the Money to Understand Last Week's European Summit

It seemed like I was working every waking hour to keep a commitment for someone else.

FORBES: How To Lift Yourself Out Of Time-Debt

What if that meant creating something truly good, truly valuable, consistently, for someone else?

FORBES: Happiness or Value?