a slip of的用法和樣例：
例句
- She's just a slip of a thing, but she can run faster than all of us.
別看她那麽瘦，跑起來比我們誰都快。 - A slip of the tongue made me say Robert instead of Richard.
我說走了嘴把理查德說成了羅伯特。 - He had a slip of tongue by accident.
他偶然說走嘴。 - He had a slip of tongue by chance.
他偶然說走嘴。 - When he said Tuesday, he really meant Thursday. It was a slip of the tongue.
當他說星期二時，他實際是說星期四。 那只是個口誤。
