例8：I don't know algebra or geometry，not to mention calculus.

　　译文：我连代数、几何都不懂，更不必说微积分了。

　　例9：A11 they have to do is press a button，and they can see plays, films, operas and shows of every kind, not to mention political discussions and the latest exciting football match.

　　译文：他们所要做的只是按一下电钮，就能看到各种戏剧、电影、歌剧和各式各样的演出，而且还能看到各种政治辩论和最近举行的激动人心的足球赛。

　　例10：I can't add two and two, let alone do fractions.

　　译文：我连2加2都不会，更不要说做分数题了。

　　注意：美国成语词典认为let alone只能用于追加的否定。但是，有的词典认为，该短语也可以引导追加的肯定。例如：There were five people in the car, let alone the luggage and the two dogs.