I overreacted.

是我反应过度了。

youdao

I would say something like: I am sorry that I yelled at you earlier. I overreacted and said some things that were mean.

我的反应太过了，还说了一些不该说的话，这不是我的本意。

youdao

John, I'm really sorry that I overreacted and would like to meet with you to apologize in person and make a commitment to never allow myself to act that way in the future.

约翰，我非常抱歉自己反应过度了，我想当面和你道个歉并保证自己再不会这样了。

youdao

"I was very upset at what happened during the game, but having seen the pictures on TV I accept that I overreacted, " said Drogba.

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