Definition
An unintentional error in speech, where you say something different from what you meant to.
失誤
During the meeting, he accidentally said the competitor's name instead of ours; it was a slip of the tongue.
在會議中，他不小心說出了競爭對手的名字而不是我們的；這是一個口誤。
She meant to say she loved the dress, but it came out as she hated it due to a slip of the tongue, which was quite embarrassing.
她本意是說她喜歡這件衣服，但由於口誤，她說成了討厭它，這讓她很尷尬。
I intended to praise his performance, but due to a slip of the tongue, I said he performed poorly; it was a real blunder.
我本想讚美他的表演，但由於口誤，我說他表現得很差；這真是個大失誤。