a slip of the tongue
英 [? slip ?v t] 美 [e sl?p ?v ?i t]
词典：失言，口误
例句：
If I did say that, it was just a slip of the tongue.
如果我真的说了那话，那完全是口误。
I know he didn't mean to say that. It was only a slip of the tongue.
我知道他讲话的原意不是那样，仅仅是失言罢了。
At one stage he referred to Anna as John's fianc é e, but later said that was a slip ofthe tongue.
曾有那么一段时间他把安娜称作约翰的未婚妻，但后来又说那是口误。