ALLEN: "Because I want the boys to leave Well Enough alone. How about the finale,mister .?"

VOA: special.2009.03.09

To figure out even what this thing is, let alone how to use it properly. So, you know, I'm sympathetic.

就连认出这是什么东西（都很困难），更别说正确应用它了，所以我很同情这点。

经常犯的失误 - SpeakingMax英语口语达人

I barely know how to use a cell phone let alone a computer, you know,

我勉强会用手机，更不要说电脑了，你知道，

现在的孩子好可怕 - SpeakingMax英语口语达人

"These are challenges that no single nation, no matter how powerful, can confront alone.

VOA: standard.2009.04.11

While analysts say no one knows for sure how many jobs the stimulus has created, President Obama says he's under no illusions that one program alone can solve the nation's economic problems.

VOA: standard.2010.06.18