I got mixed up.

我搞混了。

youdao

I must have got mixed up on the dates.

我一定是把日子搞混了。

youdao

I wonder how he got mixed up in the case.

我不明白他是怎样卷入那个案件的。

youdao

It can't be that he's got mixed together memories of growing up in France and memories of growing up in Detroit.

他不可能拥有混合的记忆，既有在法国长大的回忆,也有底特律长大的回忆。

耶鲁公开课 - 死亡课程节选

As land repeatedly surfaced and receded, the remains of marine creatures got mixed up with those of terrestrials, forming one big Ice Age graveyard: sea cows, prehistoric sharks, spike-tailed armadillos the size of refrigerators.

NEWYORKER: Bones of Contention

Allan McManus and Mark Campbell got mixed up 20 yards out, allowing Dennis Wyness to break between them and force Craig Nelson into a save but referee John Rowbotham blew for a foul against Wyness in any case.

BBC: Ayr shock Caley Thistle

So during the 1980s when there was a tremendous amount of TV advertising, people got these ads mixed up.

FORBES: The Curious Case Of Ed McMahon And The Publishers Clearing House