I ascertain me misspeak or being joking.

我确定我没有说错话或是在开玩笑。

youdao

If you misspeak, and catch your mistake, immediately correct yourself by repeating the sentence correctly.

如果你说错了，逮住你的错误，立即纠正自己的错误，把这个句子正确地再说一遍。

youdao

On Tuesday, Clinton told a news conference that the long grind of the presidential campaign had caused her to misspeak about the circumstances of the visit.

克林顿星期二在记者会上说，在旷日持久的竞选活动的压力下，她在描述那次访问情形的时候说错了话。

youdao

Rice said Bush did not misspeak when he said that the network of Pakistan's A.Q.

CNN: Rice defends Bush's debate comments

You know, I misspeak, and all of us do, and I think when you do then you want to make sure that you get that cleared up.

NPR: Before Midterms, a Chat with Sen. Barack Obama

While corporate officials misspeak from time to time, prosecutors thought this incident was different because of Mr. Peace's position as chairman and his unequivocal statement that the bank didn't willfully violate the law, the official said.

WSJ: Standard Chartered Recants, Apologizes for Iran Comments