他弄错了地址，走到另一家去了。

He'd mistaken the address, and gone to the wrong house.

youdao

他弄错了日期，早到了两天。

He mistook the date, and arrived two days early.

youdao

不是你，就是他弄错了。

Either you or he has made the mistake.

youdao

Well, I think that, if I'm not mistaking, he discovered America.

我想，如果我没弄错的话，是他发现了美洲。

向哥伦布学习 - SpeakingMax英语口语达人

You can explain to the waiter that he has made a mistake by using the "I didn't" pattern.

你想跟服务员解释，他弄错了。你就可以使用“I didn't”句型。

I didn't 课堂 - SpeakingMax英语口语达人