The key is to say that you might be wrong, not that you are wrong.

关键是要说你可能是错的，而不是说你就是错了。

youdao

It cannot be denied that you are wrong.

你错了，这是无可否认的。

《新英汉大辞典》

I consider that you are wrong.

我认为你错了。

youdao

To those who cling to power through corruption and deceit and silencing of dissent, know that you are on the wrong side of history, but that we will extend a hand if you are willing to unclench your fist."

VOA: special.2009.01.24

In these movies, there'd be a little angel above your head that tells you when things are wrong.

就像是电影里那些盘旋在头上的小天使,告诉你什么是不应该做的。

耶鲁公开课 - 心理学导论课程节选

What I mean is when you wish to express that you are sorry if you've done something wrong

在这里我是指，你想要表达的是，如果你确实有过失，你感到很抱歉，

I'm sorry 课堂 - SpeakingMax英语口语达人

"You think that you own the world, and I would prove it that you are wrong, " Moussaoui continued.

CNN: Moussaoui curses America but judge gets final word

Therefore, the convention among academic researchers is that it is ok, and you can claim your conclusion based on only a sample of observations, as long as the probability that you are wrong is no bigger than 5%.

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If you think that, you are wrong.

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